1) The amount spent on textbooks for the fall term was recorded for a sample of five university students. The following data were observed: $400, $350,$575,$600, $525, and $450. Calculate each of the following values for this data:

a)The sample mean

b)The sample median.

c)The sample range

d) The standard devaition

2)A sample space contains seven sample points and events A, B, and Cas shown in the Venn diagram. The probabilities of the sample points P(1) = 0.01, p(2) = 0.15 P(3) = 0.22 p(4) 0.04 p(5) =0.18 p(6) =0.25 and p(7) =0.15