Question

Measurements were recorded for the slapshot speed of 100 minor-league hockey players. These measurements were found to be normally distributed with mean of 81.417 mph and standard deviation of 1.1983 mph. Would it be unusual to record a value between 81.2 and 81.43 mph?

Question 12 options:

1)	A value in this interval is unusual.

2)	We do not have enough information to determine if a value in this interval is unusual.

3)	It is impossible for a value in this interval to occur with this distribution of data.

4)	A value in this interval is not unusual.

5)	A value in this interval is borderline unusual.

The daily stock price for International Business Machines (IBM) historically has followed an approximately normal distribution (when adjusting for inflation) with a mean of $133.654 and standard deviation of $3.9212 Approximately 79.88% of days IBM had a stock price less than what dollar amount?

Question 11 options:

1)

120.78

2)

146.53

3)	We do not have enough information to calculate the value.

4)

136.94

5)

130.37

If the scores per round of golfers on the PGA tour are approximately normally distributed with mean 61.8 and standard deviation 2.17, what is the probability that a randomly chosen golfer's score is between 59 and 63 strokes?

Question 10 options:

1)	We do not have enough information to calculate the value.

2)

0.0164

3)

0.6114

4)

0.0985

5)

0.2901

Answer 1