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Irina-Kira [14]
3 years ago
7

a bookstore owner asks every fifth customer on a single day if he or she owns a e-book reader . select yes or no for each questi

on . is this a random sample of the store customers ? yes or no is this a random sample of the general population ? yes or no explain your answers.
Mathematics
1 answer:
Masteriza [31]3 years ago
6 0
Yes, it is random because it isn't convenient for him.
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What we need to know is how much is 1/3 of 25 2/5.

We will be multiplying fraction by a fraction and for this, it's good to change mixed numbers into improper fractions:

25 2/5=\frac{23*5+2}{5}= \frac{117}{5}

and now we multiply it by 1/3:

\frac{1}{3}\frac{117}{5}=\frac{39}{5}=7\frac{4}{5}

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2 years ago
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Answer:

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Step-by-step explanation:

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Julli [10]

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