Example Problem: [Ch 9, Q36] Consider the following hypothesis test: ?0: ? ? 0.75; ??: ?...

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Example Problem: [Ch 9, Q36] Consider the following hypothesistest: ?0: ? ? 0.75; ??: ? < 0.75. A sample of 300 items wasselected. Using ? = 0.05, conduct a hypothesis test and state yourconclusions for the following scenarios: ?? = 0.68; ?? = 0.72; ?? =0.70; ?? = 0.77.

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Here we have given thatClaim To check whether the populationproportion is less than 075The Hypothesis isvsNownnumber of items300A sample proportion 068Test statistic 280Now we find the Pvaue level of significance 005This is left one tailed testPvalue 00026 using z standard normal tablewe get See Answer

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