Multiple Choice
It is known that the variance of a population equals 1,936. A random sample of 121 has been taken from the population. There is a .95 probability that the sample mean will provide a margin of error of
A) 7.84 or less
B) 31.36 or less
C) 344.96 or less
D) 1,936 or less
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q71: We can reduce the margin of error
Q73: A survey of 40 students at a
Q74: A simple random sample of 144 items
Q75: Using an <span class="ql-formula" data-value="\alpha"><span
Q78: A local university administers a comprehensive examination
Q80: The expression used to compute an
Q81: In a random sample of 200 registered
Q101: A researcher is interested in determining the
Q115: A random sample of 25 employees of
Q118: If we want to provide a 95%