Multiple Choice
A frequency distribution has a mean of 100 and a standard deviation of 20. The class limits for one class are 50 up to 60. Based on the normal distribution,what is the probability that an observation would be in this class?
A) 0.4938
B) 0.4772
C) 0.0166
D) −0.0166
Correct Answer:
Verified
Correct Answer:
Verified
Q41: In a market test of a new
Q42: The contingency table for a sample of
Q43: To test the null hypothesis that a
Q44: The claim that "male and female students
Q45: A personnel manager is concerned about absenteeism.
Q47: Students were sampled to determine their support
Q48: A question has these possible responses: excellent,very
Q49: For a goodness-of-fit test,the following are possible
Q50: Recently,students in a marketing research class were
Q51: There is not one,but a family of