Answer:
4(52-9)
4(43)
172
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Answer:
1/8(x-49)
Step-by-step explanation:
1/8x -49/8
Factor out 1/8
1/8*x - 1/8*49
1/8(x-49)
Answer:
0.3333 = 33.33% probability that this red ball is from box A.
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is

In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
In this question:
Event A: Red ball
Event B: From box A.
Probability of a red ball:
3/10 = 0.3 of 1/2 = 0.5(box A)
6/10 = 0.6 of 1/2 = 0.5(box B). So

Probability of a red ball from box A:
0.3 of 0.5, so:

What is the probability that this red ball is from box A?

0.3333 = 33.33% probability that this red ball is from box A.
Answer:
2w - w would be equal to w. w + 2 is just w + 2
Step-by-step explanation:
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