Multiple Choice
A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. The 95% confidence interval for μ is
A) 105.0 to 225.0
B) 175.0 to 185.0
C) 100.0 to 200.0
D) 170.2 to 189.8
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q7: If the population standard deviation of the
Q12: Exhibit 8-5<br>A random sample of 64 SAT
Q16: A new brand of chocolate bar
Q26: Exhibit 8-4<br>In order to estimate the average
Q39: Whenever the population standard deviation is unknown
Q50: As the number of degrees of freedom
Q92: It is known that the variance of
Q101: A researcher is interested in determining the
Q109: In order to determine an interval for
Q125: If we change a 95% confidence interval