3 years ago

Dimes 15

2 answers:

7 0

The answer is C because he is only finding for dimes, nickels, and pennies. He has 19 pennies which are 1 cent each, 20 nickels which are 5 cents a piece and, 15 dimes which are 10 cents a piece

Alik [6]3 years ago

4 0

Hi!

The answer is C.

Hope I helped! Have a nice day.

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Abel Alonzo, Director of Human Resources, is exploring employee absenteeism at the Plano Power Plant. Ten percent of all plant e

Alex17521 [72]

Answer: 0.23

Step-by-step explanation:

Given : F is the event "works in the finishing department;"

and A is the event "is absent excessively."

Given : 10% of all plant employees work in the finishing department; 20% of all plant employees are absent excessively; and 7% of all plant employees work in the finishing department and are absent excessively.

i.e. P(A)= 0.20 ; P(F)=0.10 ; P(A ∩ F) = 0.07

We know that $P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)$