Question

according to harper's index, 45% of all federal inmates are serving time for drug dealing. a...

according to harper's index, 45% of all federal inmates are serving time for drug dealing. a random sample of 20 federal inmates is selected.
what is the probability that 12 or more are serving time for drug dealing
what is the probability that 3 or fewer are serving time for drug dealing

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
According to Harper's Index, 45% of all federal inmates are serving time for drug dealing. A...
According to Harper's Index, 45% of all federal inmates are serving time for drug dealing. A random sample of 16 federal inmates is selected. (a) What is the probability that 12 or more are serving time for drug dealing? (Round your answer to three decimal places.) (b) What is the probability that 5 or fewer are serving time for drug dealing? (Round your answer to three decimal places.) (c) What is the expected number of inmates serving time for drug...
According to Harper's Index, 45% of all federal inmates are serving time for drug dealing. A...
According to Harper's Index, 45% of all federal inmates are serving time for drug dealing. A random sample of 15 federal inmates is selected. (a) What is the probability that 9 or more are serving time for drug dealing? (Round your answer to three decimal places.) (b) What is the probability that 6 or fewer are serving time for drug dealing? (Round your answer to three decimal places.) (c) What is the expected number of inmates serving time for drug...
According to Harper's Index, 60% of all federal inmates are serving time for drug dealing. A...
According to Harper's Index, 60% of all federal inmates are serving time for drug dealing. A random sample of 16 federal inmates is selected. (a) What is the probability that 12or more are serving time for drug dealing? (Round your answer to three decimal places.) (b) What is the probability that 2or fewer are serving time for drug dealing? (Round your answer to three decimal places.) (c) What is the expected number of inmates serving time for drug dealing? (Round...
According to Harper's Index, 40% of all federal inmates are serving time for drug dealing. A...
According to Harper's Index, 40% of all federal inmates are serving time for drug dealing. A random sample of 16 federal inmates is selected. (a) What is the probability that 8 or more are serving time for drug dealing? (Round your answer to three decimal places.) (b) What is the probability that 6 or fewer are serving time for drug dealing? (Round your answer to three decimal places.) (c) What is the expected number of inmates serving time for drug...
13. According to Harper’s Index, 50% of all federal inmates are serving time for drug dealing....
13. According to Harper’s Index, 50% of all federal inmates are serving time for drug dealing. A random sample of 16 federal inmates is selected. (a) What is the probability that 12 or more are serving time for drug dealing? (b) What is the probability that 7 or fewer are serving time for drug dealing? Kindly use the numbers given in the sentences to show the work. Thanks
According to Harper's Index, 60% of all federal inmates are serving time for drug dealing. A...
According to Harper's Index, 60% of all federal inmates are serving time for drug dealing. A random sample of 17 federal inmates is selected. (a) What is the probability that 13 or more are serving time for drug dealing? (Use 3 decimal places.) (b) What is the probability that 4 or fewer are serving time for drug dealing? (Use 3 decimal places.) (c) What is the expected number of inmates serving time for drug dealing? (Use 1 decimal place.) 2.Given...
1)Given that x is a normal variable with mean μ = 46 and standard deviation σ...
1)Given that x is a normal variable with mean μ = 46 and standard deviation σ = 6.2, find the following probabilities. (Round your answers to four decimal places.) (a)  P(x ≤ 60) (b)  P(x ≥ 50) (c)  P(50 ≤ x ≤ 60) 2)The Customer Service Center in a large New York department store has determined that the amount of time spent with a customer about a complaint is normally distributed, with a mean of 9.9 minutes and a standard deviation of 2.4...
Nationally, 60.2% of federal prisoners are serving time for drug offenses. A warden thinks that in...
Nationally, 60.2% of federal prisoners are serving time for drug offenses. A warden thinks that in his prison the % is higher. he surveys 400 random prisoner records and finds that 260 are drug offenders. Use one of the worksheets I provide and evaluate whether the warden is correct at the 5% significance level. Show me your work and tell me what you think. Consider: Is this a problem comparing averages or proportions?
According to the 2016 National Survey on Drug Use and Health (NSDUH), 57.2% of full-time college...
According to the 2016 National Survey on Drug Use and Health (NSDUH), 57.2% of full-time college students ages 18 to 22 drank alcohol in the past month. What is the probability that in a sample of 20 full-time college students in this age bracket that 8 have drank alcohol in the past month? Suppose that the probability a lost microchipped dog is returned to its owner is 0.53. What is the probability that in a sample of 30 lost microchipped...
According to an​ airline, flights on a certain route are on time 80​% of the time....
According to an​ airline, flights on a certain route are on time 80​% of the time. Suppose 20 flights are randomly selected and the number of​ on-time flights is recorded. ​(a) Explain why this is a binomial experiment. ​(b) Find and interpret the probability that exactly 12 flights are on time. ​(c) Find and interpret the probability that fewer than 12 flights are on time. ​(d) Find and interpret the probability that at least 12 flights are on time. ​(e)...