Assume that x is a normally distributed random variable with a mean of 70 and a standard deviation ...

Assume that x is a normally distributed random variable with a mean of 70 and a standard deviation of 10 Find P(70 < x < 82).

Q. 2

Assume that x is a normally distributed random variable with a mean of 70 and a standard deviation of 10 Find P(x > 70).

Q. 3

A piece of data picked at random from a normally distributed population. Find the probability that the piece of data will have a standard score greater than 1.58

Q. 4

A piece of data picked at random from a normally distributed population. Find the probability that the piece of data will have a standard score less than 1.25

Q. 5

A piece of data picked at random from a normally distributed population. Find the probability that the piece of data will have a standard score less than 1.75

Q. 6

A piece of data picked at random from a normally distributed population. Find the probability that the piece of data will have a standard score greater than 1.40

Q. 7

A piece of data picked at random from a normally distributed population. Find the probability that the piece of data will have a standard score less than 2.00