Select all the true statements about the normal probability distribution.

A. The random variable does not take any value. It takes discrete values like the binomial distribution.

b. the area under the bell curve is 1 exactly.

c. standardizing an observation of any normal distribution allows the use of the standard normal (Z) distribution tables.

d. the random variable take any value.

e. the mean, median, and mode are equal.

f. the distribution has one mode and has positive skew

g. the distribution has one mode and is bell shaped.