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day care tuition a random sample of 45 four - year - olds attending day…

Question

day care tuition a random sample of 45 four - year - olds attending day care centers provided a yearly tuition average of $4030 and the population standard deviation of $645.
part 1 of 2
find the 95% confidence interval of the true mean. round your answers to the nearest whole number.
$ 3842 < \mu < $ 4218
part: 1 / 2
part 2 of 2
if a day care center were starting up and wanted to keep tuition low, what would be a reasonable amount to charge? round your answer to the nearest hundred.
$ would be a reasonable amount to charge.

Explanation:

Step1: Analyze the confidence interval

The 95% confidence interval is $3842 < \mu < 4218$.

Step2: Determine a reasonable low - end amount

To keep tuition low, we look at the lower bound of the confidence interval. $3842$ rounded to the nearest hundred is $3800$.

Answer:

$3800$