Sin2x + cos3x expand the expression
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Answer:
Sample size should be atleast 55320
Step-by-step explanation:
Given that a group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week.
population standard deviation
Std error =
Margin of error for 95%
=
Since sample size is number of items it cannot be indecimal.
So we can round off to the next high integer on a safer side.