A test of H 0 : p = 0.5 versus H a : p > 0.5 based
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A test of H0: p = 0.5 versus Ha: p > 0.5 based on a sample of size 200 yields the standardized test statistic z=2.19 . Assume that the conditions for performing inference are met.
a. Find and interpret the P-value.
b. What conclusion would you make at the α = 0.01 significance level? Would your conclusion change if you used α = 0.05 instead? Explain your reasoning.
c. Determine the value of p̂ = the sample proportion of successes.
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Given Significance level 001 or 005 H0 p 05 Ha p 05 n Sample size 200 z 219 aThe Pvalue is the proba...View the full answer
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