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raketka [301]
3 years ago
5

You have $250. You spend 45% of that. how much is left?

Mathematics
1 answer:
tekilochka [14]3 years ago
8 0
$137.5 is left from spending 45% of $250
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Solution to the problem

For this case we have the following info related to the time to prepare a return

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And we select a sample size =49>30 and we are interested in determine the standard deviation for the sample mean. From the central limit theorem we know that the distribution for the sample mean \bar X is given by:

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And the standard deviation would be:

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And the best answer would be

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