Multiple Choice
The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distribution,what test score separates the top 25% of the students from the lower 75% of students?
A) 70.00
B) 74.69
C) 65.31
D) 75.25
Correct Answer:
Verified
Correct Answer:
Verified
Q33: A binomial distribution has 100 trials (n
Q34: The shape of any uniform probability distribution
Q35: The normal distribution can be used to
Q36: A new extended-life light bulb has an
Q37: The standard normal distribution is a special
Q39: The average score of 100 students taking
Q40: The number of different standard normal distributions
Q41: A national manufacturer of unattached garages discovered
Q42: For any uniform probability distribution,the mean and
Q43: The distribution of the annual incomes of