Pls . i need the solution asapan annuity written as a geometric series has r equal to 1.005 . determine the annual interest rate for the annuity if the interest is compounded monthly. the answer says 5% in the textbook.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%