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Mars2501 [29]
3 years ago
9

f the probability of being hospitalized during a year is 0.25 ​, find the probability that no one in a family of five will be ho

spitalized in a year.
Mathematics
1 answer:
Kaylis [27]3 years ago
3 0

Answer:

The probability that no one in a family of five will be hospitalized in a year is 0,2373

Step-by-step explanation:

Let p denote the probability of being hospitalized during a year,

Then p=0.25

And p' the probability of not being hospitalized during a year is 1-p

Thus p' = 1-p = 1-0.25 = 0.75

The probability that no one in a family of five will be hospitalized in a year is equal to p'^{5}. That is

p'^{5} = 0.75^{5} ≈ 0,2373

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Drupady [299]

Answer:

60 km/hr.

Step-by-step explanation:

When Dad caught up the the time he had been  driving was 4 hours and the time Mom had been driving was 1 + 4 = 5 hours.

They both drove the same distance, d km.

For Dad:

speed = d / time

75 = d / 4

d = 75 * 4 = 300 km.

Mom took 5 hours to travel this distance, so

Mom's speed was 300 / 5 = 60 km/hr.

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3 years ago
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4 0
4 years ago
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TL;DR: The answer’s C.
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3 years ago
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7 0
4 years ago
An artist wants to frame a square painting with an area of 400 square inches. She wants to know the length of the wood trim that
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Area of square painting is 400 square inches.

Let the side of square painting is = a inch

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So a^2 = 400

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3 years ago
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