The graph in number 6a is worth no points submissions remain change the answer A

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The graph in number 6a is worth no points submissions remain change the answer Assignment ring Your last submissior 8. 12 points BBBasicStat7 6.R 009 According to Harper's Index, 55% 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 9 or more are serving time for drug dealing? (Use 3 decimal places.) (b) What is the probability that 3 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.) a Your work in question(s) 1, 2, 3,4, 5, 7 will also be submitted or saved K5 View Previous Question Question 8 of 11 View Ne 27 Home My Assignments WebAssigne 40 O 197-2017 Advanced Instructional Systems, Inc All rights reserved

Explanation / Answer

8) a) Binomial

p = 0.55

n = 17

P(X 9) = 17C9 * 0.55^9 * 0.45^8.......+ 17C17 * 0.55^17 * 0.45^0

P = 0.663

b) P(X 3)

P = 0.002

c) Expected number = n * p

E = 0.55 * 17 = 9.35

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