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Scorpion4ik [409]
3 years ago
9

A town has accumulated 22 inches of​ snow, and the snow depth is increasing by 66 inches every hour. A nearby town has accumulat

ed 66 ​inches, and the depth is increasing by 33 inches every hour. In about how many hours will the snowfall of the towns be​ equal?
Mathematics
1 answer:
Aleks [24]3 years ago
7 0
Create an expression. Solve for x

22+66x=66+33x
Subtract 33x from both sides
22+33x=66
Subtract 22 from both sides
33x=44
Divide both sides by 33
x=44/33=4/3 or 1.3 hours
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Step-by-step explanation:

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Answer: the probability that a truck drives between 166 and 177 miles in a day is 0.0187

Step-by-step explanation:

Since mileage of trucks per day is distributed normally, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

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From the information given,

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σ = 37 miles miles per day

The probability that a truck drives between 166 and 177 miles in a day is expressed as

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For x = 166

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Looking at the normal distribution table, the probability corresponding to the z score is 0.9625

For x = 177

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Looking at the normal distribution table, the probability corresponding to the z score is 0.9812

Therefore,

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Step-by-step explanation:

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3 0
3 years ago
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