Complete these 5 question

Let x be a continuous random variable that is normally distributed with a mean of and a standard deviation of

.

Round your answers to two decimal places.

(a) Standardize the variable value x =

.

z = [removed]

(b) Standardize the variable value x =

.

z =

Find the area under the standard normal curve between  and

.

[removed]

Let x be a continuous random variable that is normally distributed with a mean of and a standard deviation of

.

Round your answers to two decimal places.

(a) Standardize the variable value x =

.

z = [removed]

(b) Standardize the variable value x =

For the standard normal distribution, the area to the right of z = -1.62, rounded to four decimal places, is:

or the standard normal distribution, the area between z = 0.29 and z = 0.64, rounded to four decimal places, is:

 

The GMAT scores of all examinees who took that test this year produce a distribution that is approximately normal with a mean of 430 and a standard deviation of 38.

The probability that the score of a randomly selected examinee is between 400 and 480, rounded to four decimal places, is: [removed]

The probability that the score of a randomly selected examinee is less than 370, rounded to four decimal places, is: [removed]

The probability that the score of a randomly selected examinee is more than 530, rounded to four decimal places, is: [removed]