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nirvana33 [79]
2 years ago
6

Given that events A and B are independent with P(A)=0.3P(A)=0.3 and P(A\cap B)=0.27P(A∩B)=0.27, determine the value of P(B)P(B),

rounding to the nearest thousandth, if necessary.
Mathematics
1 answer:
Stolb23 [73]2 years ago
6 0

Answer:

0.9

Step-by-step explanation:

Since A and B are independent  hence;

P(A∩B) = P(A)P(B)

Given the following

P(A∩B) = 0.27

P(A) = 0.3

Required

P(B)

Substitute into the formula;

P(B) = P(A∩B)/P(A)

P(B) = 0.27/0.3

P(B) = 0.9

Hence the value of P(B) is 0.9

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To be able to find the pice that Camilla paid for the book, first, you have to calculate the 25% of the price of the book:

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Now, you have to subtract that amount from the price of the book:

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According to this, the answer is that the price that Camilla paid for the book was $9.

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