Jamiasimmons1811 Jamiasimmons1811
  • 17-06-2024
  • Mathematics
Answered

How many students must be randomly selected to estimate the mean weekly earnings of students at one​ college? we want​ 95% confidence that the sample mean is within ​$3 of the population​ mean, and the population standard deviation is known to be ​$26.
a.408
b.203
c.289
d.254



Answer :

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