Multiple Choice
An English instructor gave a final exam and found a mean score of 69 points and a standard deviation of 5.8 points.Assume that a Normal model can be applied.Draw and label the Normal model for the exam scores.Then find the interval for the central 68% of the scores.
A)
;57.4 to 80.6 points
B)
;63.2 to 74.8 points
C)
;63.2 to 74.8 points
D)
;57.4 to 69 points
E)
;69 to 80.6 points
Correct Answer:

Verified
Correct Answer:
Verified
Q53: z < 0.97<br>A)80.78%<br>B)82.35%<br>C)83.40%<br>D)16.60%<br>E)83.15%
Q55: The average number of days absent per
Q65: Here are the summary statistics for the
Q66: An English instructor gave a final exam
Q66: -0.55 < z < 0.55<br>A)41.76%<br>B)-90.00%<br>C)90.00%<br>D)-41.76%<br>E)43.57%
Q67: Here are some summary statistics for the
Q67: The scores for a recent English exam
Q68: Assuming a Normal model applies,a town's average
Q72: Two different running shoe manufacturers market running
Q73: Suppose that the average amount of sugar