3) (25pts) An insurance company has 12,000 car policyholders. The expected yearly claim per policyholder is $250 with a standard deviation of $i300. a) What is the probability that the total yearly claim is in between $1 million and $3 million? b) What is the probability that the total yearly claim is less than $2.5 million? c) What is the probability that the total yearly claim exceeds $2.9 million