browneyes1829803 browneyes1829803

07-11-2019
Mathematics

contestada

if the mean of normally distributed test scores is 78 and the standard deviation is 7 find the percentage of scores in the following ranges:
a)71-92
b)64-100
c)70-80

Respuesta :

jckeper2nell jckeper2nell

09-11-2019

Answer:

a

Step-by-step explanation:

78-7=1 making the standard deviation between 71-92

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