Question 7

Which of the following is not a characteristic of a normal distribution?

Question 7 options:

a)	It is unimodal

b)	It is symmetrical around the mean

c)	The mean and median are equal

d)	50% of the cases will be less than the mean.

e)	None of the above

Question 8

The price of a bond is uniformly distributed between $80 and $85.What is the probability that the bond price will be between $80 and $81?

Question 8 options:

a)	None of the options

b)

0.40

c)

0.60

d)

0.20

e)

0.50

Question 9

The Body Paint, an automobile body paint shop, has determined that the painting time of automobiles is uniformly distributed and that the required time ranges between 45 minutes to 90 minutes. Determine the expected painting time (in minutes)?

Question 9 options:

a)	67.5 minutes

b)	135 minutes

c)	None of the options

d)	90 minutes

e)	45 minutes