Solved: In Exercises 1 4, (a) identify the expected distribution and state H0 and Ha

Chapter 10, Problem 1

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In Exercises 1 4, (a) identify the expected distribution and state H0 and Ha, (b) find the critical value and identify the rejection region, (c) find the chi-square test statistic, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim.A researcher claims that the distribution of the amounts that parents givefor an allowance is different from the distribution shown in the pie chart.You randomly select 1103 parents and ask them how much they give for anallowance. The table shows the results. At a = 0.10, test the researchersclaim. (Adapted from Echo Research)Survey resultsResponse Frequency, fLess than $10 353$10 to $20 167More than $21 94Dont give one/other 489