Supposexhas a distribution with a mean of70and a standard deviation of44. Random samples of sizen=64are drawn.

(a) Describe thedistribution.

X has an unknown distribution.

X has an approximately normal distribution.

X has a geometric distribution.

X has a binomial distribution.

X has a normal distribution.

X has a Poisson distribution.

Compute the mean and standard deviation of the distribution. (For each answer, enter a number.)