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irina [24]
3 years ago
8

19 quarts is equal to how many pints

Mathematics
1 answer:
mihalych1998 [28]3 years ago
5 0
There is 38 pints in a quart. 1 quart = 2 pints, so 19 x 2 = 38.
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A sample of 16 ATM transactions shows a mean transaction time of 67 seconds with a standard deviation of 12 seconds. Find the te
vredina [299]

Answer:

b. 2.333

Step-by-step explanation:

Test if the mean transaction time exceeds 60 seconds.

At the null hypothesis, we test if the mean transaction time is of 60 seconds, that is:

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At the alternate hypothesis, we test if it exceeds, that is:

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60 is tested at the null hypothesis:

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t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

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