Multiple Choice
A random sample of n = 9 scores is selected from a normal distribution with μ = 80 and σ = 12.What is the probability that the sample mean will be between 76 and 84?
A) 0.9974
B) 0.6826
C) 0.3830
D) 0.2586
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q17: A sample of n = 25 scores
Q22: If the sample size is doubled,the standard
Q23: A random sample of n = 16
Q24: A sample is obtained from a population
Q25: For a normal population with a mean
Q26: If the sample size is equal to
Q28: A random sample of n = 16
Q30: The mean for a sample of n
Q31: A sample of n = 16 scores
Q32: If a sample of n = 25