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andrew11 [14]
3 years ago
14

A market sells bananas for $0.69 per pound. Which expression represents the cost, in dollars, of p pounds of bananas?

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
6 0

Hello There!

<u><em>$0.69p would be the correct answer because each pound costs $0.69</em></u>

goldenfox [79]3 years ago
6 0

Answer: C=$0.69p

Step-by-step explanation:

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Step-by-step explanation:

We are given that one wants to estimate the mean PSLT for the population of all families in New York City with gross incomes in the range $35.000 to $40.000.

If sigma equals 2.0, we have to find that how many families should be surveyed if one wants to be 90% sure of being able to estimate the true mean PSLT within 0.5.

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<u></u>

<u>SO, Margin of error formula is given by;</u>

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            n = number of families

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                          0.5   =  1.645 \times \frac{2}{\sqrt{n} }

                         \sqrt{n} =\frac{2\times 1.645 }{0.5}

                         \sqrt{n} =6.58

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                               = 43.3 ≈ 43

Therefore, number of families that should be surveyed if one wants to be 90% sure of being able to estimate the true mean PSLT within 0.5 is at least 43.

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