ts that 33% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 220 found that 25% of the readers owned a laptop. Is there sufficient evidence at the 0.05 level to support the executive's claim? To get full credits, justify your answer by following steps given below. a) State the null and alternative hypotheses. b) Find the value of the test statistic. Round your answer to two decimal places. c) Specify if the test is one-tailed or two-tailed. d) Determine the �-value of the test statistic. Round your answer to four decimal places. e) Identify the value of the level of significance. f) Make the decision to reject or fail to reject the null hypothesis. g) State the conclusion of the hypothesis test.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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ts that 33% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 220 found that 25% of the readers owned a laptop. Is there sufficient evidence at the 0.05 level to support the executive's claim? To get full credits, justify your answer by following steps given below.

a) State the null and alternative hypotheses.

b) Find the value of the test statistic. Round your answer to two decimal places.

c) Specify if the test is one-tailed or two-tailed.

d) Determine the �-value of the test statistic. Round your answer to four decimal places.

e) Identify the value of the level of significance.

f) Make the decision to reject or fail to reject the null hypothesis.

g) State the conclusion of the hypothesis test.

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