In a study of sotre checkout -scanners 1234 items were checked for price accuaracy, 20 checked items were found to be overcharges, and 1214 were not overcharges. use a 0.05 significance level to test the claim that with scanners 1% of sales are overcharges. D. Calculate the P-Value ( Round to four decimal places) E. State your decision about the hypothesys. F. Write a final, concluding statement that addresses the claim: there is _____________ Evidence to ________________ the claim that 1% of sales are overcharges. D. Before scanners were introduced, the overcharge rate was estimated to be about 1%. Based on the result of the study, do scammers appear to help consumers avoid overcharges?_________________________, Because a _________________________ Propostion of the sampled items are overcharges. It appears that the error rate is ___________________________ with scanners than was before.
#2
In a study of sotre checkout -scanners 1234 items were checked for price accuaracy, 20 checked items were found to be overcharges, and 1214 were not overcharges. use a 0.05 significance level to test the claim that with scanners 1% of sales are overcharges.
D. Calculate the P-Value ( Round to four decimal places)
E. State your decision about the hypothesys.
F. Write a final, concluding statement that addresses the claim: there is _____________ Evidence to ________________ the claim that 1% of sales are overcharges.
D. Before scanners were introduced, the overcharge rate was estimated to be about 1%. Based on the result of the study, do scammers appear to help consumers avoid overcharges?_________________________, Because a _________________________ Propostion of the sampled items are overcharges. It appears that the error rate is ___________________________ with scanners than was before.
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