The manager of an online shop wants to determine whether the mean length of calling time of its customers is significantly more than 3 minutes. A random sample of 100 customers was taken. The average length of calling time in the sample was 3
1 minutes with a standard deviation of 0.5 minutes. At a 0.05 level of significance, it can be concluded that the mean of the population is:A) significantly greater than 3.
B) not significantly greater than 3.
C) significantly less than 3.
D) not significantly different from 3.10.
A
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Which of the following statements about the times-interest-earned ratio is true?
A) A lower ratio indicates a higher debt paying ability. B) Debt reduction leads to an increase in interest expense. C) The times-interest-earned ratio is also called the interest-coverage ratio. D) The times-interest-earned ratio is calculated by dividing gross income by interest expense.
In 1978, the ________ which prohibits employment discrimination because of pregnancy, childbirth, or related medical conditions was enacted as an amendment to Title VII of the Civil Rights Act
A) Pregnancy Discrimination Act B) Sex Discrimination Act C) Gender Discrimination Act D) Sexual Harassment Act