Multiple Choice
For a sample of size 30 taken from a normally distributed population with standard deviation equal to 5, a 95% confidence interval for the population mean would require the use of:
A) z = 1.96.
B) z = 1.645.
C) t = 2.045.
D) t = 1.699.
Correct Answer:
Verified
Correct Answer:
Verified
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