The Following Display from a TI- 84 Plus Calculator Presents $99 \%$

question 117

Multiple Choice

The following display from a TI- 84 Plus calculator presents a $99 \%$ confidence interval for proportion.
a Use the information in the display to construct a 95% confidence interval for p.

• A) (0.396, 0.604)
• B) (0.384, 0.616)
• C) (0.336, 0.664)
• D) (0.376, 0.624

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Definitions:

Selling Expenses

Costs incurred directly and indirectly in making sales, including advertising, commissions, and shipping expenses.

Operating Expenses

Ongoing costs for running a business that do not include the cost of goods sold but can cover expenses such as rent, utilities, and salaries.

Accounts Payable

Accounts payable is the amount a company owes to its suppliers or creditors for goods or services received but not yet paid for.