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iVinArrow [24]
3 years ago
13

Find the area of the circle with a circumference of

Mathematics
1 answer:
Anton [14]3 years ago
8 0

Answer:

706.50 mm^2

Step-by-step explanation:

The formula to find the circumference is 2πr (r : radius)

if the circumference is 30π the the radius is = 15

to find the area we use the following formula :

π*r^2

r = 15 and π is given as 3.14

(3.14)*15^2 = 706.50 mm^2

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Assume that the probability that a baseball player will get a hit in any one at bat is 0.250. What is the probability that he wi
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Answer: 0.0791

Step-by-step explanation:

Given : The probability that a baseball player will get a hit in any one at bat is 0.250.

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According to the geometric probability , the probability that x (th) trial is the first success =P(X=x)=(1-p)^{x-1}p , where p is the probability of getting success in each trial.

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Then, the probability that he will get his first hit on his 5th at bat will be :

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Hence, the probability that he will get his first hit on his 5th at bat is 0.0791 .

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