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sergeinik [125]
3 years ago
12

The diameter of a circle is 14 ft. Find its area to the nearest tenth.

Mathematics
1 answer:
docker41 [41]3 years ago
3 0

Answer:

153.86

diameter= 2(radius)

14 = 2 (radius)

Radius = 7

Area = Pie  r^{2}Area= Pie (7)^2\\Area = 153.86

Hope that helps.

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Suppose the probability that a softball player gets a hit in any single at-bat is 0.300. Assuming that her chance of getting a h
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Answer:

P(X=4)=(1-0.3)^{4-1} 0.3 = 0.103

The probability that she will not get a hit until her fourth time at bat in a game is 0.103

Step-by-step explanation:

Previous concepts

The geometric distribution represents "the number of failures before you get a success in a series of Bernoulli trials. This discrete probability distribution is represented by the probability density function:"

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Solution to the problem

For this case we want this probability

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And using the probability mass function we got:

P(X=4)=(1-0.3)^{4-1} 0.3 = 0.103

The probability that she will not get a hit until her fourth time at bat in a game is 0.103

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