Question

In 2001 study what woman want: Five Secrets to Better Ratings, The Arbitron company reported that “Music I like” is the biggest factor deciding which radio station to tune to, chosen by 87% of woman.

a) Find the minimum sample size n that produces a sampling distribution of

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Answer #1

a)n p0 (1-p0) > 10

n * 0.87 * 0.13 > 10

n >= 88.42

n = 89

b)

n p0 (1-p0)

= 89 * 0.87*0.13 = 10.0659 > 10

c)

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Answer 1

a)n p0 (1-p0) > 10

n * 0.87 * 0.13 > 10

n >= 88.42

n = 89

b)

n p0 (1-p0)

= 89 * 0.87*0.13 = 10.0659 > 10

c)