Can this be expressed as a unit rate? PLEASE BE RIGHT!! YOU MUST BE 100% SURE!!

Mathematics

1 answer:

sesenic [268]3 years ago

4 0

Answer:

Yes it can.

Step-by-step explanation:

You can say Enrico can run 6 2/3 meters every second(6 2/3 to 1), and for the second one you can say the television station can show 1/4 of a commercial every one minute(1/4 to 1).

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Pvc pipe is manufactured with a mean diameter of 1.01 inch and a standard deviation of 0.003 inch. the diameters are known to be

serious [3.7K]

Answer:

about 82%

Step-by-step explanation:

The distribution of sample means has a standard deviation that is the pipe standard deviation divided by the square root of the sample size. Thus, the standard deviation of the sample mean is 0.003/√9 = 0.001.

Then the limits on sample mean are 1.010 - 1×0.001 = 1.009 and 1.010 +2×0.001 = 1.012. The proportion of the normal distribution that lies between -1 and +2 standard deviations is about 81.9%.