i. In a uniform probability distribution, P(x) is constant between the distribution's minimum and maximum values. ii. For a uniform probability distribution, the probability of any event is equal to 1/(b-a). iii. The uniform probability distribution is symmetric about the mode.

Multiple Choice

• (i), (ii), and (iii) are all correct statements.
• (i) and (iii) are correct statements but not (ii).
• (ii) and (iii) are correct statements but not (i).
• (i), (ii), and (iii) are all false statements.
• (i) is a correct statement but not (ii) or (iii).

The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distribution, approximately how many scored less than 60?

Multiple Choice

• 0.0764
• 0.3729
• 0.8929
• 0.2271

The printout below is a summary of the average annual earnings of male full time workers in Canada from 1999-2008. Determine the coefficient of variation.

Women's Earnings 1999-2008
count	10
mean	28,320.00
sample variance	1,152,888.89
sample standard deviation	1,073.73
minimum	27000
maximum	30200
range	3200

Multiple Choice

• 4.25%
• 2.5%
• 1.0%
• 3.8%
• 3%