Question

1. If bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1, what fraction of bone density scores are greater than 1.3?

a.) .108

b.) .221

c.) .070

d.) .097

2.) Assume bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. If a bone density score is chosen at random, what is the probability that it is greater than 1.3?

a.) .070

b.) .097

c.) .283

d.) .122

Answer 1