In Mrs.Wilson's class, the ratio of girls to total students is 5 to 8.If there are only 24 total students, how many boys are in
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Answer:
416025 grade-point averages must be obtained so that the sample mean is within 0.006 of the population mean. But this size too big and is not practical.
Step-by-step explanation:
Minimum required grade-point averages can be found using the formula
N≥ where
- N is the sample size
- z is the corresponding z-score in 99% confidence level (2.58)
- s is the standard deviation (1.5)
- ME is the margin of error (0.006)
Putting these numbers in the formula we get
N≥ =416025