TESTING The scores on a test administered to prospective employees are normally distributed with a mean of 100 and a standard deviation of 12.3. About what percent of the scores are between 90 and 115?

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step-by-step explanation:

u send me a picture of ur work

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

i hope this is what you were looking for.

see attached graph

13664

step-by-step explanation:

=cross multiply

=100 x = 13664