A sample of \( n = 20 \) observations is drawn from a normal population with \( \mu = 980 \) and \( \sigma = 240 \). Find each of the following:A. \( P(\bar{X} > 1065) \)Probability = [_________]B. \( P(\bar{X} < 899) \)Probability = [_________]C. \( P(\bar{X} > 920) \)Probability = [_________]

Givensample size(n)=20Mean(μ)=980standard deviation(σ)=240

Answered: A sample of n = 20 observations is…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A sample of n = 20 observations is drawn from a normal population with µ = 980 and o = 240. Find each of the following: A. P(X > 1065) Probability = B. P(X < 899) Probability = C. P(X > 920) Probability =