A wheel has a radius of 12cm. Approximately how far does it travel in 2 revolutions?

A. 47.1 cm

B. 150.72 cm

C. 188.4 cm

D. 376.8 cm

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.