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A telemarketer is trying two different sales pitches to sell a carpet cleaning service. For his...

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Question

Statistics

A telemarketer is trying two different sales pitches to sell acarpet cleaning service. For his aggressive pitch, 175 people werecontacted by phone and 62 of those people bought the cleaningservice. For his passive pitch, 154 people were contacted by phoneand 45 of those people bought the cleaning services. Does thisindicate that there is any difference in population proportions ofpeople who will buy the cleaning services depending on which salespitch is used? Use α=0.05

a.Details given in problem

b.Assumptions if any

c.Null Hypothesis, Alt Hypothesis, and the tailed test

d.Critical Statistic

e.Compute test statistic

f.Compute p-value

g.At ___% level of significance, we have ______ evidence toreject Null Hypothesis

h.Since p-value ____ α at ___% level ofsignificance, we have ______evidence to reject the NullHypothesis

Answer & Explanation Solved by verified expert
3.8 Ratings (552 Votes)
Let denote the population proportions of people who will buy    See Answer
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