Which numbers are solutions to the equation 30 = r2? Select all that apply. X = 15 x = 30 X = 900 X = -15 T- 30 Ox= = -900
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Answer:
Step-by-step explanation:
The confidence interval for population mean is given by :-
, where
is the sample mean and ME is the margin of error .
Given : The sample mean :
Margin of error :
Then , the range of values (confidence interval) likely to contain the true value of the population parameter will be :-
Hence, the range of values likely to contain the true value of the population parameter =