USA Today reported that approximately 25% of all state prison inmates released on parole become repeat offenders while on parole. Suppose the parole board is examining five prisoners up for parole. Let x = number of prisoners out of five on parole who become repeat offenders. 2 3 4 P(x) 0.220 0.366 0.229 0.164 0.020 0.001 (a) Find the probability that one or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.) 0.789 How does this number relate to the probability that none of the parolees will be repeat offenders? O This is the complement of the probability of no repeat offenders. O These probabilities are not related to each other. O These probabilities are the same. O This is five times the probability of no repeat offenders. O This is twice the probability of no repeat offenders. (b) Find the probability that two or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.) 0.411 (c) Find the probability that four or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.) 0.033 (d) Compute p, the expected number of repeat offenders out of five. (Round your answer to three decimal places.) H=1.429 X prisoners (e) Compute a, the standard deviation of the number of repeat offenders out of five. (Round your answer to two decimal places.) a = 9 58 X prisoners
USA Today reported that approximately 25% of all state prison inmates released on parole become repeat offenders while on parole. Suppose the parole board is examining five prisoners up for parole. Let x = number of prisoners out of five on parole who become repeat offenders. 2 3 4 P(x) 0.220 0.366 0.229 0.164 0.020 0.001 (a) Find the probability that one or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.) 0.789 How does this number relate to the probability that none of the parolees will be repeat offenders? O This is the complement of the probability of no repeat offenders. O These probabilities are not related to each other. O These probabilities are the same. O This is five times the probability of no repeat offenders. O This is twice the probability of no repeat offenders. (b) Find the probability that two or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.) 0.411 (c) Find the probability that four or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.) 0.033 (d) Compute p, the expected number of repeat offenders out of five. (Round your answer to three decimal places.) H=1.429 X prisoners (e) Compute a, the standard deviation of the number of repeat offenders out of five. (Round your answer to two decimal places.) a = 9 58 X prisoners
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
Related questions
Concept explainers
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
How do I solve this
Transcribed Image Text:USA Today reported that approximately 25% of all state prison inmates released on parole become repeat offenders while on parole. Suppose the parole board is examining five prisoners
up for parole. Let x = number of prisoners out of five on parole who become repeat offenders.
0.
3.
4
P(x) 0.220
0.366
0.229
0.164
0.020
0.001
(a) Find the probability that one or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.)
0.789
How does this number relate to the probability that none of the parolees will be repeat offenders?
This is the complement of the probability of no repeat offenders.
O These probabilities are not related to each other.
O These probabilities are the same.
O This is five times the probability of no repeat offenders.
O This is twice the probability of no repeat offenders.
(b) Find the probability that two or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.)
0.411
(c) Find the probability that four or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.)
0.033
(d) Compute u, the expected number of repeat offenders out of five. (Round your answer to three decimal places.)
H = 1.429
X prisoners
(e) Compute a, the standard deviation of the number of repeat offenders out of five. (Round your answer to two decimal places.)
o = 9 58
x prisoners
Need Help?
Read It
Engligh cassiy
Onapter
delete
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage