A normal distribution has a mean of μ=15 \mu = 15 and a standard deviation of σ=4 \sigma = 4 . What is the probability that X X falls between 1818 and 2323?

6. Normal Distribution & Continuous Random Variables

6. Normal Distribution & Continuous Random Variables / Non-Standard Normal Distribution / 문제 14

문제 14

A normal distribution has a mean of $mu equals 15$ and a standard deviation of $sigma equals 4$ . What is the probability that $X$ falls between $18$ and $23$ ?

$0.4332$

$0.2038$

$0.3085$

$0.1587$