Question

A random sample of 120 observations is selected from a binomial population with an unknown probability of success ?. The computed value of ?̂ is 0.7.
(1)    Test ?0:?=0.55 against ??:?>0.55. Use ?=0.01.

test statistic ?=

critical ? score     


(2)    Test ?0:?=0.5 against ??:?<0.5. Use ?=0.05.

test statistic ?=

critical ? score     


(3)    Test ?0:?=0.55 against ??:?≠0.55. Use ?=0.01.

test statistic ?=

positive critical ? score    

negative critical ? score

Answer 1

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