subject
Mathematics, 17.06.2020 17:57 belen27

An article states that false-positives in polygraph tests (tests in which an individual fails even though he or she is telling the truth) are relatively common and occur about 20% of the time. Suppose that such a test is given to 10 trustworthy individuals. (Round all answers to four decimal places.) a. What is the probability that all 10 pass?b. What is the probability that more than 2 fail, even though all are trustworthy?c. The article indicated that 400 FBI agents were required to take a polygraph test. Consider the random variable x = number of the 400 tested who fail. If all 400 agents tested are trustworthy, what are the mean and standard deviation of x?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Use the multiplier method to incrases £258 by 43%
Answers: 1
question
Mathematics, 21.06.2019 14:30
Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?
Answers: 1
question
Mathematics, 21.06.2019 16:20
Find the value of x for which abcd must be a parallelogram -9-6x x-30
Answers: 2
question
Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
You know the right answer?
An article states that false-positives in polygraph tests (tests in which an individual fails even t...
Questions
question
Chemistry, 26.02.2020 03:51
question
Mathematics, 26.02.2020 03:51
question
English, 26.02.2020 03:51
question
Mathematics, 26.02.2020 03:51
question
Mathematics, 26.02.2020 03:51
question
Mathematics, 26.02.2020 03:51
Questions on the website: 13722367