Perform a one-tailed test . Null Hypothesis: Alternative Hypothesis: Value of th

Question

Perform a one-tailed test.

Null Hypothesis:

Alternative Hypothesis:

Value of the test statistic:

P-value:

Reject?

It was claimed recently that more than of high school students in the United States use computers for educational purposes. We wish to examine this claim. We choose a random sample of U.S. high school students and find that of these students use computers for educational purposes. Based on this, can we conclude, at the level of significance, that more than of high school students in the United States use computers for educational purposes? In your answers, denote the proportion of all U.S. high school students who happen to use computers for educational purposes by .

Perform a one-tailed test.

Null Hypothesis:

Alternative Hypothesis:

Value of the test statistic:

P-value:

Reject?

Explanation / Answer

1)null hypothesis: p0.5 3) value of test statistic=(122/230 -0.5)/stdev 4)P-value is less than 0.05 5)yes we have to reject null hypothesis

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