Please find the percentage for all the questionsbelow.
Scores for professional golfers on 18-hole courses arebell-shaped with a mean of 72 strokes and a standard deviation of 5strokes. Using the Empirical Rule, what is the approximatepercentage of golfer scores between 62 and 82 strokes?
Percentage is:
A child's piano practice times are normally distributed with amean of 22 minutes and a standard deviation of 6 minutes. Using theEmpirical Rule, what is the approximate percentage of practicetimes running between 16 and 28 minutes?
Percentage is:
Weights of Old English Sheepdogs are normally distributed with amean of 59 pounds and a standard deviation of 6 pounds. Using theEmpirical Rule, what is the approximate percentage of sheepdogsweighing between 41 and 77 pounds?
Percentage is: