question archive Suppose are running a study/poll about the probability of a true negative on a test for a certain cancer

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Suppose are running a study/poll about the probability of a true negative on a test for a certain cancer. You randomly sample 149 people and find that 42 of them match the condition you are testing.Suppose you are have the following null and alternative hypotheses for a test you are running:H0:p=0.27H0:p=0.27Ha:p≠0.27Ha:p≠0.27(a) Calculate the sample test statistic:ˆp=p^= (b) Calculate the standardarized test statistic (the z-score).z=z=