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A toothpaste company wants to declare in an ad that more than 8 0 % of dentists recommend their toothpaste. The company performs a hypothesis
A toothpaste company wants to declare in an ad that more than of dentists recommend their toothpaste. The company performs
a hypothesis test at the significance level to test their claim.
The company samples dentists. Of these, recommend their toothpaste.
Let represent the population proportion of dentists that recommend their toothpaste.
apts Specify the null and alternative hypotheses for the company's claim.
:;:
:;:
:;:
bpts Calculate the sample proportion. Round final answer to decimal places
Sample proportion:
bpts Calculate the or statistic. Do not use continuity correction. Round final answer to decimal places
Statistic:
cpts Find the value. Do not use continuity correction. Round final answer to decimal places
pvalue:
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