Author Question: The business college computing center wants to determine the proportion of business students who ... (Read 41 times)

drink · **on:** Feb 14, 2020

Question 1

For the given binomial sample size and null-hypothesized value of p₀, determine whether the sample size is large enough to use the normal approximation methodology to conduct a test of the null hypothesis

n = 1100, p₀ = 0.99
◦ No
◦ Yes

Question 2

The business college computing center wants to determine the proportion of business students who have laptop computers. If the proportion exceeds 35%, then the lab will scale back a proposed enlargement of its facilities. Suppose 300 business students were randomly sampled and 85 have laptops. Find the rejection region for the corresponding test using

◦ Reject H₀ if z > 1.28.
◦ Reject H₀ if z < -1.28.
◦ Reject H₀ if z = 1.28.
◦ Reject H₀ if z > 1.645 or z < -1.645.

ApricotDream · **Reply #1 on:** Feb 14, 2020

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