The weights of a population of barrels are normally distributed with a mean of 45.0 lb and a standard deviation of 7.9 lb a. If I randomly select a barrel, what is the probability that it will be...

The weights of a population of barrels are normally distributed with a mean of 45.0 lb and a standard
deviation of 7.9 lb

a. If I randomly select a barrel, what is the probability that it will be heavier than 50 lb, (and I’ll have
trouble lifting it)? Use formula/chart.