Need Help! 50 Points! A set of quiz scores is shown in the histogram below. The mean of the data set is 6.625, and the (population) standard deviation is 1.9.

How many numbers in the data set are within 1 standard deviation of the mean?

7
13
10
12

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?