colemancs284 colemancs284

20-12-2022
Mathematics

Answered

A commercial claims that 8 out of 10 dentists recommend a certain brand of toothpaste. To test this claim, a random sample of 85 dentists is obtained. Of these 85 dentists, 73 indicated that they recommend that brand of toothpaste. Using a significance level of 5%, test the claim to see if the proportion of dentists who recommend this toothpaste is not 8 of 10.

State the null and alternative hypotheses
State the p-value
Make a conclusion about the claim

Answer :

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