Assume that all​ grade-point averages are to be standardized on a scale between 0 and 6. How many​ grade-point averages

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Assume that all​ grade-point averages are to be
standardized on a scale between 0 and 6. How many​ grade-point
averages must be obtained so that the sample mean is within
0.006
of the population​ mean? Assume that a 98​% confidence
level is desired. If using the range rule of​ thumb, σ can be
estimated as range4=6−04=1.5.
Does the sample size seem​ practical?
Question content area bottom
Part 1
The required sample size is
enter your response here.
​(Round up to the nearest whole number as​ needed.)
Part 2
Does the sample size seem​ practical?
A.
​No, because the required sample size is a fairly large
number.
B.
​No, because the required sample size is a fairly small
number.
C.
​Yes, because the required sample size is a fairly small
number.
D.
​Yes, because the required sample size is a fairly large
number.