1. in a population of male fruit flies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Draw a Normal curve on which this mean and standard deviation are correctly located. (Hint: Draw an unlabeled Normal curve, locate the points where the curvature changes, then add number labels on the horizontal axis.)

2.The summer monsoon brings 80% of India's rainfall and is essential for the country's agriculture. Records going back more than a century show that the amount of monsoon rainfall varies from year to year according to a distributionthat is approximately Normal with mean 852 millimeters (mm) and standard deviation 82 mm.2 Use the 68-95-99.7 rule to answer the following questions. (a) Between what values do the monsoon rains fall in 95% of all years? (b) How small are the monsoon rains in the driest 2.5% of all years?