A Social Researcher Has Constructed a Measure of Racial Prejudice

Multiple Choice

A social researcher has constructed a measure of racial prejudice and obtained a distribution of scores on this measure from a randomly selected sample of public office holders. The scores were normally distributed with a mean of 45 and a standard deviation of 7. What is the probability that a randomly selected case from the sample will have a score less than 38?

A) 0.4526
B) 0.5018
C) 0.5200
D) 0.1587