Question

In: Statistics and Probability

36. The worldwide market share for a web browser was 20.5​% in a recent month. Suppose...

36. The worldwide market share for a web browser was 20.5​% in a recent month. Suppose that a sample of 120 random students at a certain university finds that 30 use the browser.

b. Suppose that a sample of n=800 students at the same university​ (instead of n=120 determines that 25​% of the sample use the web browser. At the 0.01 level of​ significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of 20.5​%?

Calculate the test statistic for the second sample.

What is the​ p-value?

State the conclusion of the test.

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Expert Solution


orchestra answered 2 years ago
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