Amount of Nicotine in a certain brand of cigarettes

Question

The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0.895 grams and a standard deviation of 0.325 grams. Find the probability of randomly selecting a cigarette with 0.31 grams of nicotine or less. Round your answer to four decimals.

P(X < 0.31) =

Answer 1

I have solved this question for you in the attached video. Please watch it and let me know if you have any questions. Take care.

-Dr. Christal-Joy Turner