We are given a normally distributed random variable X with µ = 75 and σ = 5. Find P (X > 85). Find k such as P(X<k) = 0.997. Interpret your result. Find the two values where the middle 68.27% of the distribution of X lie.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
Question
100%

We are given a normally distributed random variable X with µ = 75 and σ = 5.

Find P (X > 85).

Find k such as P(X<k) = 0.997. Interpret your result.

Find the two values where the middle 68.27% of the distribution of X lie.

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