Question: Consider the computer output below Using the normal approximation: (a) Fill in the missing information. (b) What are your conclusions if α = 0.05? (c)

Consider the computer output below

Test and CI for One Proportion Test of p = 0.25 vs p<0.25 N Sample p 53 225 0.235556 0.282088 Z-Value P-Value ? Bound х

Using the normal approximation:

(a) Fill in the missing information.

(b) What are your conclusions if α = 0.05?

(c) The normal approximation to the binomial was used here. Was that appropriate?

(d) Find a 95% upper-confidence bound on the true proportion.

(e) What are the P-value and your conclusions if the alternative hypothesis is H1: p ‰  0.25?

Test and CI for One Proportion Test of p = 0.25 vs p

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