This quiz: 10 point(s) possible This question: 1 point(s) possible Iuiz: Chapter 4 Quiz Question 1 of 10 Submit quiz Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 145 subjects with positive test results, there are 23 false positive results. Among 156 negative results, there are 3 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was .. b. How many subjects did not use marijuana? Atotal of subjects did not use marijuana. c. What is the probability that a randomly selected subject did not use marijuana? The probability that a randomly selected subject did not use marijuana is |:. (Do not round until the nal answer. Then round to three decimal places as needed.) This quiz: 10 point(s) Q3 possible This question: 1 point(s) possible I uiZ: Chapter 4 Quiz Question 3 of 10 Submit quiz Assume that there is a 8% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. If copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive? E) a. With two hard disk drives, the probability that catastrophe can be avoided is (Round to four decimal places as needed.) b. With four hard disk drives, the probability that catastrophe can be avoided is D. (Round to six decimal places as needed.) This quiz: 10 point(s) (6:3 possible This question: 1 point(s) possible Duiz: Chapter 4 Quiz Question 7 of 10 Submit quiz Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D. A B C D Order Accurate 335 260 247 120 Order Not Accurate 37 60 36 18 If one order is selected, nd the probability of getting an order that is not accurate. E) The probability of getting an order that is not accurate is D. (Round to three decimal places as needed.) Quiz: Chapter 4 Quiz Question 10 of 10 This quiz: 10 point(s) possible Resume later This question: 1 point(s) possible Submit quiz Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant A B C D Order Accurate 313 265 240 143 Order Not Accurate 37 50 30 17 If two orders are selected, find the probability that they are both from Restaurant D. a. Assume that the selections are made with replacement. Are the events independent? b. Assume that the selections are made without replacement. Are the events independent? a. Assume that the selections are made with replacement. Are the events independent? The probability of getting two orders from Restaurant D is . The events independent because choosing the first order the probability of the choice of the second order. (Do not round until the final answer. Round to four decimal places as need b. Assume that the selections are made without replacement. Are the even The probability of getting two orders from Restaurant D is . The events are ent because choosing the first order the probability of the choice of the second order. (Do not round until the final answer. Round to four decimal places as need are not0 point(s) possible This question: 1 point(s) possible Quiz: Chapter 4 0 Question 10 of 10 Submit quiz Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drlve-thru Restaurant g A B C D Order Accurate 313 265 240 143 Order Not Accurate 37 50 30 17 If two orders are selected, nd the probability that they are both from Restaurant D. a. Assume that the selections are made with replacement. Are the events independent? b. Assume that the selections are made without replacement. Are the events independent? a. Assume that the selections are made with replacement. Are the events independent? The probability of getting two orders from Restaurant D is . The events 7 independent because choosing the rst order E the probability of the choice of the second order. (Do not round until the nal answer, Round to four decimal places as needed.) U b. Assume that the selections are made without replacement. Are the events independent? The probability of getting two orders from Restaurant D is . The events V independent because choosing the rst order affects ibility of the choice of the second order. (Do not round until the nal answer. Round to four decimal places as needed.) U does not affect