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Gelneren [198K]
3 years ago
7

A dolphin swims at a rate of 45 miles per hour. How many feet per minute is this?

Mathematics
2 answers:
jenyasd209 [6]3 years ago
7 0
If you would like to know how much is 45 miles per hour in feet per minute, you can calculate this using the following step:

1 mile per hour = <span>88 feet per minute

45 miles per hour = 45 * 88 feet per minute = 3960 feet per minute

Result: 45 miles per hour is 3960 feet per minute.
</span>
Afina-wow [57]3 years ago
5 0

45 Miles per hour = 3,960 feet per minute
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The mean and standard deviation of the x sampling distribution for each of the following sample sizes will be N(100,10/\sqrt{41} ), N(100,10/\sqrt{130} ).

<h3>What is the distribution of the sample mean for large samples?</h3>

Suppose X has a distribution with mean \mu and standard deviation \sigma,then,

the distribution of the mean of samples of size n, drawn from the values of X, is normally distributed with a mean equal to the mean of X, and a standard deviation equal to \sigma/\sqrt{n}

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X \sim N(\mu, \sigma) \implies \overline{X} \sim N(\mu,\sigma/\sqrt{n} )

A random sample is selected from a population with a mean = of 100 and a standard deviation = of 10.

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X \sim N(100, 10) \implies \overline{X} \sim N(100,10/\sqrt{41} )

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Learn more about standard normal distribution here:

brainly.com/question/10984889

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