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ycow [4]
3 years ago
10

A coffee shop uses two different-sized bins to store coffee beans. The volume of the smaller bin is x cubic inches and the volum

e of the larger bin is y cubic inches. The store has S smaller bins and L larger bins. Which expressions represents the total volume of all the bins?
Mathematics
1 answer:
raketka [301]3 years ago
5 0

Answer:

Total volume of all the bins = xS + yL

Step-by-step explanation:

Given: x cubic inches represent the volume of the smaller bin and y cubic inches represents the volume of the larger bin. The store has S smaller bins and L larger bins.

To find: an expression that represents the total volume of all the bins

Solution:

The volume of the smaller bin = x cubic inches

The volume of the larger bin = y cubic inches

Also, the store has S smaller bins and L larger bins

So,

Total volume of all the bins = xS + yL

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Answer:

The 95% confidence interval for the population mean rating is (5.73, 6.95).

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We have to calculate a 95% confidence interval for the mean.

The population standard deviation is not known, so we have to estimate it from the sample standard deviation and use a t-students distribution to calculate the critical value.

The sample mean is M=6.34.

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When σ is not known, s divided by the square root of N is used as an estimate of σM:

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The degrees of freedom for this sample size are:

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The t-value for a 95% confidence interval and 49 degrees of freedom is t=2.01.

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MOE=t\cdot s_M=2.01 \cdot 0.305=0.61

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