Nicole wants to buy a pair of jeans. the original cost of the jeans is $42.50, and the markup is 10 percent. how much will she have to pay for the jeans?

a.$44.50
b.$46.75
c.$52.50

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.