If a normal distribution has a mean of 132 and a standard deviation of 20 what is the value that has a z score of 2.4?

The value is 180

Step-by-step explanation:

The formula for z score is given by

       x - mean

z=    

       standard deviation

We know z= 2.4

We know the standard deviation =20

and we know the mean = 132

We can   find  x

         x - 132

2.4 =  

           20

Multiply each side by 20

2.4 *20 = x-132

48 = x-132

Add 132 to each side

48+132 = x -132+132

180 = x

the answer is b.)

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