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Black_prince [1.1K]
2 years ago
14

A cell phone service provider has selected a random sample of 20 of its customers in an effort to estimate the mean number of mi

nutes used per day. the results of the sample included a sample mean of 34.5 minutes and a sample standard deviation equal to 11.5 minutes. based on this information, and using a 95 percent confidence level:
Mathematics
1 answer:
oksian1 [2.3K]2 years ago
8 0
So, we are doing mean and median range
or another else
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sattari [20]

Answer:

J 8.5 >=2.5p

Step-by-step explanation:

To do this plug in 3.4 for each version of p. The only one that would be true would be J.

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The answer to my question
poizon [28]
The answer would be B. because a unit rate is usually equal to one for the sake of conversion
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((16 - (4/2))^2) × 3 =
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Answer:

588

Step-by-step explanation:

((16 - (4/2))^2) × 3      Simplify the inner parentheses

((16 - 2)^2) x 3     Solve inner parentheses again

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588

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3 years ago
Write in scientific notation. 0.000000459
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4.59*10^{-7}

Step-by-step explanation:

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