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Math

Answered

in a math test, the mean is 60 and the standard deviation is 6 . assuming the scores are normally distributed , what percent the score of between 50 and 65?

Sagot :

RYVEAXCYGO RYVEAXCYGO

Answer:

36.42%

Step-by-step explanation:

Formula:

x - mean / SD

50 - 60/ 6 = -1.7

65-60/ 6 = 0.83

0.0675 + 0.2967 = 0.3642

General Rule:

Same sign = Subtract

Different sign = Add

Z- table

1.7 = 0.0675

0.83 = 0.2967

Answered by Ryvéaxcy, STEM student. ☆☆☆

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