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Sonbull [250]
3 years ago
13

Which equation can be used to find the answer? Sharifa spends $51 on the first day of her vacation. This leaves her with $127 to

spend during the rest of her vacation. How much money did Sharifa bring to spend during her vacation?
A. t = 127 · 2 t = 254 $254

B. t – 51 = 127 t = 178 $178

C. t + 51 = 127 t = 76 $76

D. t = 127 ÷ 2 t = 63.5 $63.50
Mathematics
1 answer:
Dima020 [189]3 years ago
6 0
<span>The answer to this problem is B. t – 51 = 127 t = 178 $178.</span>
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Answer:

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Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Defective

Event B: From manufacturer A.

Probability a unit is defective:

2% of 43%(from manufacturer A)

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