3 years ago

"If a figure is a square, then it is a regular quadrilateral." Is this true or false? Explain.

Mathematics

2 answers:

Dvinal [7]3 years ago

6 0

True because it has four sides all shapes with exactly four sides are quadrilaterals

Alisiya [41]3 years ago

5 0

True, because a square has four sides and quadrilaterals have four sides.

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The probability of winning a certain lottery is 1/77076 for people who play 908 times find the mean number of wins

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The mean is 0.0118 approximately. So option C is correct

<h3><u>Solution:</u></h3>

Given that , The probability of winning a certain lottery is $\frac{1}{77076}$ for people who play 908 times

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$\text { The probability of winning a lottery }=\frac{1}{77076}$

Assume that a procedure yields a binomial distribution with a trial repeated n times.

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$\text { Then, binomial mean }=n \times p$

$\begin{array}{l}{\mu=908 \times \frac{1}{77076}} \\\\ {\mu=\frac{908}{77076}} \\\\ {\mu=0.01178}\end{array}$

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