Construction company plans to estimate the mean of visitors to its store. From a previous study, they know that the standard deviation is 68. with confidence level 90 percent and allowable error of 1
The required sample size to estimate the population mean is
(answer to 2 decimal places)​

answer: download photomath it's legit.

step-by-step explanation:

step-by-step explanation:

circumference divided by 3.141592654 then timesthe radius twice

5

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55

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant