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sergiy2304 [10]
3 years ago
8

PLEASE HELP If P(A)=0.2 and P(A and B)=0.12, and P(A or B)=0.68, what is P(B)?

Mathematics
1 answer:
ruslelena [56]3 years ago
6 0

Answer:

YOU ADD UP ALL THE DECIMALS

Step-by-step explanation:

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Step-by-step explanation:

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1. How many ways are there to make an octagon with 19 different sticks when order DOESN’T matter?
mart [117]

Answer:

1. 19C8 = 75582

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Step-by-step explanation:

First, find the number of ways to get 8 sticks from 19. At first, you have 19 choices, then 18, then 17, all the way to 12. Giving you 19*18*17*...*13*12, or 19!/11!.

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When order doesn't matter, you have to divide 19!/11! by the number of ways to order 8 sides, or 19!/11!/8!=19C8=75582

Permutation:

When order doesn't matter, you don't have to divide 19!/11! by the number of ways to order 8 sides, since you count each of these, and 19!/11!=19P8=3047466240.

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3 years ago
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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Aleksandr [31]
I KILOGRAM IN GRAMS IS 1,000 grams, SO 7.4 TIMES 1000 IS 7,400
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Read 2 more answers
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