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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

.

Round your answer to four decimal places.



[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 =

.

z = [removed]

 
For the standard normal distribution, the area between z = 0 and z = 1.17, rounded to four decimal places, is:
 
 
 
 
Answer the following question?
 
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]
 

 

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