A Large University Is Interested in the Outcome of a Course

question 77

Short Answer

A large university is interested in the outcome of a course standardization process. They have taken a random sample of 100 student grades, across all instructors. The grades represent the proportion of problems answered correctly on a midterm exam. The sample proportion correct was calculated as 0.78.
A) Construct a 90% confidence interval on the population proportion of correctly answered problems.
B) Construct a 95% confidence interval on the population proportion of correctly answered problems.

• A) Construct a 90% confidence interval on the population proportion of correctly answered problems.
• B) Construct a 95% confidence interval on the population proportion of correctly answered problems.

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Definitions:

Transactions

Economic events that involve transferring resources between entities, affecting financial statements.

Equipment

Assets used in the production or supply of services, often subject to depreciation over their useful lives.

Owner's Capital

The amount of money and other forms of assets invested into a business by the owner(s), minus any withdrawals, representing the owner’s equity.

Accounts Debited

The accounts on the left side of the accounting equation that increase with a debit transaction and decrease with a credit transaction.