Multiple Choice
The distribution of a sample of the outside diameters of PVC gas pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. About 68 percent of the outside diameters lie between what two amounts?
A) 13.5 and 14.5 inches
B) 13.0 and 15.0 inches
C) 13.9 and 14.1 inches
D) 13.8 and 14.2 inches
Correct Answer:
Verified
Correct Answer:
Verified
Q12: Production of passenger cars in Japan increased
Q64: The standard deviation is the positive square
Q92: A sample of five full service gasoline
Q93: What is a unique characteristic of the
Q94: What is the relationship between the variance
Q95: A company studied the commissions paid to
Q96: A stockbroker placed the following order for
Q98: The sum of the differences between sample
Q99: The U.S. Federal Aviation Administration reported that
Q102: Fifteen accounting majors had an average grade