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A Sample of 16 Cookies Is Taken to Test the Claim

question 7

Essay

A sample of 16 cookies is taken to test the claim that each cookie contains at least 9 chocolate chips. The average number of chocolate chips per cookie in the sample was 7.875 with a standard deviation of 1. Assume the distribution of the population is normal.
a.State the null and alternative hypotheses.
b.Using a critical value, test the hypothesis at the 1% level of significance.
c.Using a p-value, test the hypothesis at the 1% level of significance.
d.Compute the probability of a Type II error if the true number of chocolate chips per cookie is 8.


Definitions:

Tobacco Planters

Individuals or entities engaged in the cultivation of tobacco as a crop, historically significant in the economic development of certain regions, particularly in the American South.

African Slaves

Individuals of African descent who were forcibly brought to the Americas and subjected to lifetime servitude until the 19th century.

Chesapeake Region

An area in the United States encompassing parts of Virginia and Maryland, known for its significant historical events and contributions to American culture and economy.

Slave Society

A society where the economy and institutions are fundamentally dependent on the labor of enslaved individuals.

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