Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 40...

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 167 and 183 cm tall?1(b) How many would you expect to be taller than 170 cm?