· Continuous random variables are obtained from data that can be measured rather than counted. · The sum of the probabilities of all the events in the sample space of a probability distribution must equal 1. · Discrete variables have values that can be measured. · The following distribution is a probability distribution because 2 1 0 1 2 0.16 0.20 0.12 0.45 0.31 · The following distribution is a probability distribution because 2 1 0 1 2 0.08 0.21 0.43 0.17 0.26 · A(n) __________ probability distribution consists of the finite number of values a random variable can assume and the corresponding probabilities of the values. · A(n) __________ variable is one in which values are determined by chance. · Find the mean of the distribution shown below. 2 3 4 0.35 0.24 0.41 · Find the mean of the distribution shown below. 2 3 4 0.36 0.40 0.24 · Find the mean of the distribution shown. 1 2 0.32 0.68 Give the variance of the following distribution? 0 1 2 3 4 0.20 0.35 0.10 0.25 0.10 The number of cartoons watched on Saturday mornings by students in Mrs. Kellys first grade class is shown below. 0 1 2 3 4 5 0.15 0.20 0.30 0.10 0.20 0.05 What is the mean of the data? · What is the standard deviation of the following probability distribution? 0 2 4 6 8 0.20 0.05 0.35 0.25 0.15 · A pet supplier has a stock of parakeets of which 20% are blue parakeets. A pet store orders 3 parakeets from this supplier. If the supplier selects the parakeets at random, what is the chance that the pet store gets exactly one blue parakeet? · A coin is tossed 72 times. Find the standard deviation for the number of heads that will be tossed. · A university has 10,000 students of which 35% are male and 65% are female. If a class of 30 students is chosen at random from the university population, find the mean and variance of the number of male students. · In a large bag of marbles, 20% of them are red. A child chooses 4 marbles from this bag. If the child chooses the marbles at random, what is the chance that the child gets exactly three red marbles? · A surgical technique is performed on ten patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 8 patients. · A surgical technique is performed on nine patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 5 patients. · A surgical technique is performed on ten patients. You are told there is 90% chance of success. Find the probability that the surgery is successful for at least 8 patients · A surgical technique is performed on eight patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for at least 6 patients · If a student randomly guesses at 15 multiple-choice Questions, find the probability that the student gets exactly five correct. Each Question has five possible choices. · If a student randomly guesses at 10 multiple-choice Questions, find the probability that the student gets exactly five correct. Each Question has four possible choices. · Find the and the of a Binomial Distribution with n= 30 and p= 0.56 · Find the and the of a Binomial Distribution with n= 64 and p= 0.85 · 4 out of 4 points The following distribution is a probability distribution because 2 1 0 1 2 0.08 0.21 0.43 0.17 0.26 · 4 out of 4 points A(n) __________ probability distribution consists of the finite number of values a random variable can assume and the corresponding probabilities of the values. · 4 out of 4 points A(n) __________ variable is one in which values are determined by chance. · 4 out of 4 points Continuous random variables are obtained from data that can be measured rather than counted. · 4 out of 4 points Discrete variables have values that can be measured. · 4 out of 4 points The sum of the probabilities of all the events in the sample space of a probability distribution must equal 1. · 4 out of 4 points The following distribution is a probability distribution because 2 1 0 1 2 0.16 0.20 0.12 0.45 0.31 · 4 out of 4 points Find the mean of the distribution shown. 1 2 0.32 0.68 Find the mean of the distribution shown below. 2 3 4 0.36 0.40 0.24 · 4 out of 4 points What is the standard deviation of the following probability distribution? 0 2 4 6 8 0.20 0.05 0.35 0.25 0.15 · 4 out of 4 points The number of cartoons watched on Saturday mornings by students in Mrs. Kellys first grade class is shown below. 0 1 2 3 4 5 0.15 0.20 0.30 0.10 0.20 0.05 What is the mean of the data? · 4 out of 4 points Give the variance of the following distribution? 0 1 2 3 4 0.20 0.35 0.10 0.25 0.10 · 4 out of 4 points Find the mean of the distribution shown below. 2 3 4 0.35 0.24 0.41 · 4 out of 4 points A coin is tossed 72 times. Find the standard deviation for the number of heads that will be tossed. · 0 out of 4 points A jewelry supplier has a supply of earrings which are 40% platinum. A store owner orders five sets of earrings from the supplier. If the supplier selects the pairs of earrings at random, what is the chance that the jewelry store gets exactly two sets of platinum pairs? · 0 out of 4 points A coin is tossed five times. Find the probability of getting exactly three heads. · 4 out of 4 points A student takes a 6 Question multiple choice quiz with 4 choices for each Question. If the student guesses at random on each Question, what is the probability that the student gets exactly 4 Questions correct? · 0 out of 4 points A surgical technique is performed on seven patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 5 patients. · 0 out of 4 points A surgical technique is performed on eight patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 6 patients. · 4 out of 4 points A surgical technique is performed on ten patients. You are told there is 85% chance of success. Find the probability that the surgery is successful for at least 8 patients · 4 out of 4 points A surgical technique is performed on seven patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for at least 5 patients · 4 out of 4 points If a student randomly guesses at 15 multiple-choice Questions, find the probability that the student gets exactly five correct. Each Question has five possible choices. · 4 out of 4 points If a student randomly guesses at 10 multiple-choice Questions, find the probability that the student gets exactly five correct. Each Question has four possible choices. · 4 out of 4 points Find the and the of a Binomial Distribution with n= 30 and p= 0.56 · 4 out of 4 points Find the and the of a Binomial Distribution with n= 124 and p= 0.26 4 out of 4 points Continuous random variables are obtained from data that can b
e measured rather than counted. 4 out of 4 points The following distribution is a probability distribution because 2 1 0 1 2 0.16 0.20 0.12 0.45 0.31 4 out of 4 points The following distribution is a probability distribution because 2 1 0 1 2 0.08 0.21 0.43 0.17 0.26 4 out of 4 points The sum of the probabilities of all the events in the sample space of a probability distribution must equal 1. 4 out of 4 points A(n) __________ probability distribution consists of the finite number of values a random variable can assume and the corresponding probabilities of the values. 4 out of 4 points A(n) __________ variable is one in which values are determined by chance. 4 out of 4 points Discrete variables have values that can be measured. 4 out of 4 points Find the mean of the distribution shown below. 2 3 4 0.36 0.40 0.24 4 out of 4 points The number of cartoons watched on Saturday mornings by students in Mrs. Kellys first grade class is shown below. 0 1 2 3 4 5 0.15 0.20 0.30 0.10 0.20 0.05 What is the mean of the data? 4 out of 4 points Find the mean of the distribution shown below. 2 3 4 0.35 0.24 0.41 4 out of 4 points What is the standard deviation of the following probability distribution? 0 2 4 6 8 0.20 0.05 0.35 0.25 0.15 4 out of 4 points Find the mean of the distribution shown. 1 2 0.32 0.68 4 out of 4 points Find the mean of the distribution shown. 4 6 0.36 0.64 4 out of 4 points A university has 10,000 students of which 35% are male and 65% are female. If a class of 30 students is chosen at random from the university population, find the mean and variance of the number of male students. 4 out of 4 points A student takes a 6 Question multiple choice quiz with 4 choices for each Question. If the student guesses at random on each Question, what is the probability that the student gets exactly 4 Questions correct? 4 out of 4 points In binomial experiments, each trial can be viewed as having only two outcomes. 0 out of 4 points A computer store has 75 printers of which 20 are laser printers and 55 are ink jet printers. If a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet printers. 4 out of 4 points A surgical technique is performed on seven patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 5 patients. 4 out of 4 points A surgical technique is performed on eight patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 6 patients. 4 out of 4 points A surgical technique is performed on eight patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for at least 6 patients 4 out of 4 points A surgical technique is performed on ten patients. You are told there is 90% chance of success. Find the probability that the surgery is successful for at least 8 patients 4 out of 4 points If a student randomly guesses at 15 multiple-choice Questions, find the probability that the student gets exactly five correct. Each Question has five possible choices. 4 out of 4 points If a student randomly guesses at 15 multiple-choice Questions, find the probability that the student gets exactly four correct. Each Question has four possible choices. 4 out of 4 points Find the and the of a Binomial Distribution with n= 64 and p= 0.85 4 out of 4 points Find the and the of a Binomial Distribution with n= 80 and p= 0.3 · 4 out of 4 points A(n) __________ probability distribution consists of the finite number of values a random variable can assume and the corresponding probabilities of the values. 4 out of 4 points Continuous random variables are obtained from data that can be measured rather than counted. 4 out of 4 points A(n) __________ variable is one in which values are determined by chance. 4 out of 4 points The sum of the probabilities of all the events in the sample space of a probability distribution must equal 1. 4 out of 4 points The following distribution is a probability distribution because 2 1 0 1 2 0.08 0.21 0.43 0.17 0.26 4 out of 4 points Discrete variables have values that can be measured. 4 out of 4 points The following distribution is a probability distribution because 2 1 0 1 2 0.16 0.20 0.12 0.45 0.31 4 out of 4 points Find the mean of the distribution shown. 1 2 0.32 0.68 4 out of 4 points Give the variance of the following distribution? 0 1 2 3 4 0.20 0.35 0.10 0.25 0.10 4 out of 4 points What is the standard deviation of the following probability distribution? 0 2 4 6 8 0.20 0.05 0.35 0.25 0.15 4 out of 4 points Find the mean of the distribution shown below. 2 3 4 0.36 0.40 0.24 4 out of 4 points The number of cartoons watched on Saturday mornings by students in Mrs. Kellys first grade class is shown below. 0 1 2 3 4 5 0.15 0.20 0.30 0.10 0.20 0.05 What is the mean of the data? 4 out of 4 points Find the mean of the distribution shown. 4 6 0.36 0.64 4 out of 4 points A coin is tossed 72 times. Find the standard deviation for the number of heads that will be tossed. 4 out of 4 points A coin is tossed five times. Find the probability of getting exactly three heads. 4 out of 4 points A jewelry supplier has a supply of earrings which are 40% platinum. A store owner orders five sets of earrings from the supplier. If the supplier selects the pairs of earrings at random, what is the chance that the jewelry store gets exactly two sets of platinum pairs? 4 out of 4 points The probability of a success remains the same for each trial in a binomial experiment. 4 out of 4 points A surgical technique is performed on twelve patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 9 patients. 4 out of 4 points A surgical technique is performed on nine patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for exactly 5 patients. 0 out of 4 points A surgical technique is performed on nine patients. You are told there is 80% chance of success. Find the probability that the surgery is successful for at least 8 patients 4 out of 4 points A surgical technique is performed on eight patients. You are told there is 70% chance of success. Find the probability that the surgery is successful for at least 6 patients 4 out of 4 points If a student randomly guesses at 10 multiple-choice Questions, find the probability that the student gets exactly five correct. Each Question has four possible choices. 0 out of 4 points If a student randomly guesses at 12 multiple-choice Questions, find the probability that the student gets exactly seven correct. Each Question has five possible choices. 4 out of 4 points Find the and the of a Binomial Distribution with n= 30 and p= 0.56 4 out of 4 points Find the and the of a Binomial Distribution with n= 124 and p= 0.26 ??m1?DR??g %