The mean temperature for the first 7 days in January was 3 °C.

Mathematics

1 answer:

weeeeeb [17]3 years ago

6 0

$m = \frac{a_1 + a_2 + ... + a_n}{n}\\~\\m = \frac{3 * 7 + 2}{8} = \frac{21 + 2}{8} = \frac{23}{8} = 2,875$

Answer: 2,875.

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And if we use the normal standard distribution or excel we got:

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Let X the random variable that represent the time required to construct and test a particular component of a population, and for this case we know the distribution for X is given by:

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