A random samplle of 90 observations is selected from a binomial population with unknown probability of success p. The computed value of p is 0.79. (1) Test Ho : p = 0.5 against H:p> 0.5. Use a = 0.01. test statistic z = critical z score The final conclusion is A. There is not sufficient evidence to reject the null hypothesis that p = 0.5. B. We can reject the null hypothesis that p = 0.5 and accept that p > 0.5.

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A random sample of 90 observations is selected from a binomial population with unknown probability of success p. The computed
value of p is 0.79.
(1) Test Ho : p = 0.5 against Ha : p > 0.5. Use a = 0.01.
test statistic z =
critical z score
The final conclusion is
A. There is not sufficient evidence to reject the null hypothesis that p = 0.5.
B. We can reject the null hypothesis that p = 0.5 and accept that p > 0.5.
Transcribed Image Text:A random sample of 90 observations is selected from a binomial population with unknown probability of success p. The computed value of p is 0.79. (1) Test Ho : p = 0.5 against Ha : p > 0.5. Use a = 0.01. test statistic z = critical z score The final conclusion is A. There is not sufficient evidence to reject the null hypothesis that p = 0.5. B. We can reject the null hypothesis that p = 0.5 and accept that p > 0.5.
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