You opened your first savings account 3 months ago. so far, you have earned $9.90 in simple interest, at an annual interest rate of 6%. how much money did you put in the account when you opened it? use the formula: i = prt.

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.