A skydiver is falling about 176 feet per second how many feet per minute is he falling

1 answer:

4 0

Hi there

This is a smart question, so let me show you the trick of it.

176 feet per second
but we dont know per minute

We know that 60 seconds = 1 minute
with that information we can solve it

If 176 .......... 1 second
x .............. 60 second
x = 176 * 60
x= 10560

He is falling 10560 feet per minute

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Answer:

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The length of time that an auditor spends reviewing an invoice is approximately normally distributed with a mean of 600 seconds

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Answer: 11.5%

Explanation:

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Now, we get the z-score for 720 seconds by the following formula:

$\text{z-score} = \frac{x - \mu}{\sigma}$

where

$t = \text{time for the auditor to finish his work } = 720 \text{ seconds}
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So, the z-score of 720 seconds is given by:

$\text{z-score} = \frac{x - \mu}{\sigma}
\\
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\\
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Let

t = time for the auditor to finish his work
z = z-score of time t

Since the time is normally distributed, the probability for t > 720 is the same as the probability for z > 1.2. In terms of equation:

$P(t \ \textgreater \ 720) 
\\ = P(z \ \textgreater \ 1.2)
\\ = 1 - P(z \leq 1.2)
\\ = 1 - 0.885
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Keith_Richards [23]

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2 pints = 4 cups
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4 pints = 8 cups
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6 pints = 12 cups
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10 pints = 20 cups
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