c) Using Normal approximation, what is the smallest number m out of n = 15 teenagers such that P(X < m) is no larger than 0.05?
c) Using Normal approximation, what is the smallest number m out of n = 15 teenagers such that P(X < m) is no larger than 0.05?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
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I need part C
![5.52: A survey of Canadian teens aged 12 to 17 years reported that roughly 75% of
them used a fee-based website to download music. You decide to interview a
random sample of 15 Canadian teenagers.
(a) What is the distribution of the number X who used a fee-based website to
download music using Normal approximation?
(b) Assuming Normal approximation holds in this scenario, what is the
probability that at least 12 of the 15 teenagers in your sample used a fee-
based website to download music?
(c) Using Normal approximation, what is the smallest number m out of n = 15
teenagers such that P(X < m) is no larger than 0.05?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F41840242-c5fa-4ae6-b3ce-e81d92fe552d%2F97639d9f-cf8a-4eee-8f65-6094dcd6194f%2Fgot34d_processed.png&w=3840&q=75)
Transcribed Image Text:5.52: A survey of Canadian teens aged 12 to 17 years reported that roughly 75% of
them used a fee-based website to download music. You decide to interview a
random sample of 15 Canadian teenagers.
(a) What is the distribution of the number X who used a fee-based website to
download music using Normal approximation?
(b) Assuming Normal approximation holds in this scenario, what is the
probability that at least 12 of the 15 teenagers in your sample used a fee-
based website to download music?
(c) Using Normal approximation, what is the smallest number m out of n = 15
teenagers such that P(X < m) is no larger than 0.05?
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