3 years ago

A water tank has 800 liters of water and is going to be drained at a rate of 15 liters per minute.

Mathematics

1 answer:

Verdich [7]3 years ago

8 0

I think that’d be 53.3 till the water’s fully out.

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2 years ago

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A college-entrance exam is designed so that scores are normally distributed with a mean of 500 and a standard deviation of 100.

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Answer: 1.25

Step-by-step explanation:

Given: A college-entrance exam is designed so that scores are normally distributed with a mean $(\mu)$ = 500 and a standard deviation $(\sigma)$ = 100.

A z-score measures how many standard deviations a given measurement deviates from the mean.

Let Y be a random variable that denotes the scores in the exam.

Formula for z-score = $\dfrac{Y-\mu}{\sigma}$

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3 years ago

Yesterday, Eddy ran 26.2 miles.

Romashka [77]

Answer:

Step-by-step explanation:

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