Chapter 6.1, Problem 35AYU

(a)

To determine

The mean number of credit cards based on the raw data.

(b)

To determine

The standard deviation number of credit cards based on the raw data.

(c)

To determine

The probability distribution for the random variable X .

(d)

To determine

To draw: The probability plot.

To determine

To identify: The shape of the distribution.

(e)

To determine

The mean number of credit cards from the probability distribution found in part (c).

To determine

The standard deviation number of credit cards from the probability distribution found in part (c).

(f)

To determine

The probability of randomly selecting an individual whose number of credit cards is more than two standard deviations from the mean.

To determine

Whether the probability is unusual.

(g)

To determine

The probability of randomly selecting two individuals who are issued exactly 2 credit cards.

To determine

To interpret: The result.