A random sample of 95 students at a local university showed that they work an average of 48 hours per month with a standard deviation of 12 hours. Compute a 95% confidence interval for the mean of the population.
What will be an ideal response?
45.54 to 50.46 hours
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In terms of the reliability of test scores, there are multiple elements to each person’s score. The score that is actually recorded is the _______.
a.Error score b.True score c.False score d.Observed score
Two events, A and B, are mutually exclusive and each have a nonzero probability. If event A is known to occur, the probability of the occurrence of event B is
a. one b. any positive value c. zero d. any value between 0 to 1
To foster continuous improvement, standards should ________ over time.
A. remain stable B. decrease in difficulty C. increase in difficulty D. become ideal
Leon's Plumbing wishes to pay off a debt of $21,000 in 6 years. What amortization payment would they need to make every three months, at 6% interest compounded quarterly? (Use Table 12-2 from your text)
A) $722.57 B) $1,032.91 C) $1,048.41 D) $733.41