Assume that all grade-point averages are to be standardized on a scale between 0 and 5. How many grade-point averages must be obtained so that the sample mean is within 0.012 of the population mean? Assume that a 99% confidence level is desired. If using the range rule of thumb, sigma can be estimated as StartFraction range Over 4 EndFraction equalsStartFraction 5 minus 0 Over 4 EndFraction equals1.25. Does the sample size seem practical?

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step-by-step explanation:

she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

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4932,9180,7625 are divisible by 9

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