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sammy [17]
3 years ago
10

Christine has always been weak in mathematics. Based on her performance prior to the final exam in Calculus, there is a 40% chan

ce that she will fail the course if she does not have a tutor. With a tutor, her probability of failing decreases to 10%. There is only a 50% chance that she will find a tutor at such short notice.
Mathematics
1 answer:
azamat3 years ago
6 0

Answer:

There are a 25% probability that Christine fails the course.

Step-by-step explanation:

We have these following probabilities:

A 50% probability that Christine finds a tutor.

With a tutor, she has a 10% probability of failling.

A 50% probability that Christine does not find a tutor.

Without a tutor, she has a 40% probability of failing.

Probability that she fails:

10% of 50%(fail with a tutor) plus 40% of 50%(fail without a tutor). So

P = 0.1*0.5 + 0.4*0.5 = 0.25

There are a 25% probability that Christine fails the course.

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Answer:

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Step-by-step explanation:

-32=8n

Divide each side by 8

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Sarah wants to buy a carpet for a square room with an area of 400sq ft.

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1 year ago
The manager of a grocery store reports that there is a 12 percent chance that a customer buys apples during a shopping trip, a 5
FromTheMoon [43]
P(A) = 0.12
P(A\cap C)=0.05
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Answer:

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Step-by-step explanation:

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