Suppose that scores on a national entrance exam are normally

Suppose that scores on a national entrance exam are normally distributed with mean 1000 and standard deviation 100. Which of the following is false? (0.5 point)

a) Roughly 68% of people have scores between 900 and 1100.

b) We would expect the number of people scoring above 1200 to be more than the number of people scoring below 900.

c) A score greater than 1300 is more unusual than a score less than 800.

Solution

b)