5. A video store charges a monthly membership fee of $12.00, but charges to
rent each movie is only $1.50 per movie.
Another store has no membership fee, but it
costs $3.00 to rent each movie. How many
movies need to be rented each month for
the total fees to be the same from either
company?

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.