A sample of 26 elements from a normally distributed population is selected. The sample mean is 10 with a standard deviation of 4 . The 95% confidence interval for ? is _____

a. 6.000 to 14.000
b. 9.846 to 10.154
c. 8.384 to 11.616
d. 8.462 to 11.538


c

Business

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The Fair Debt Collection Practices Act requires that a collection agency make known certain rights of the debtor in a ________.

What will be an ideal response?

Business

Concerning accounting for warranties, which of the following statements is true?

A) Federal income tax regulations require companies to accrue warranty expense in the year of the sale. B) The modified cash basis method is required for tax reporting. C) The modified cash basis method uses a percentage of completion approach to warranty revenue recognition. D) The modified cash basis recognizes warranty expense when cash is received on the sale.

Business

The impact on a firm's income resulting from a change in the number of units sold can be assessed by multiplying the unit contribution margin by the change in units sold assuming that fixed costs remain the same

Indicate whether the statement is true or false

Business

Email is often used in business for conveying internal bad news and is effective in that it

A) allows the sender to determine precise wording. B) gives the reader time to respond. C) ensures a consistent decision when sent to employees. D) all of these are correct.

Business