-Assuming that age at death is a normal distribution; mean age at death is 74.1 with a std deviation of 17.9 I) Determine probability that a random person has an age between 70 and 78 years at time of...

-Assuming that age at death is a normal distribution; mean age at death is 74.1 with a std deviation of 17.9

I) Determine probability that a random person has an age between 70 and 78 years at time of death.

II) what is the 20th percentile for age at death? how many live to be 100

III) if 1 percent of people die at an older age than yourself, what age would you be?