I need to find the time spent in days waiting for a kidney transplant among a group of people ages 35-49 by using normal distribution.

I need help with my statistics homework asap.

I need to find the time spent in days waiting for a kidney transplant among a group of people ages 35-49 by using normal distribution. The mean = 1688 and the standard deviation = 207.6 with numbers rounded to the nearest integer as needed.

I need to find what the waiting time that represents the 80th percentile is in days is?

I also need to find what the waiting time in the first quartile is in days is?