Normal Distribution z = (x -) / z-score table on website -[LINK]

Finish each part with a conclusion explanatory sentence

left column - use to demonstrate calculations

right column - use a normal distribution chart to demonstrate your understanding of the values

A species of housecat has a lifespan that is normally distributed, with a mean of 12 years and a standard deviation of 3 years.

(1) What is the probability to a kitten of this species living:
a) less than 11 years?
b) more than 13.5 years?
c) between 7 and 8 years?
(2) Only 4% of cats will live past what age?