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X-N(70, 13). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let X be the random variable of sums Part (a) Sketch the distributions of X and X on the same graph. X A A S 55 60 65 70 75 80 85 55 60 65 70 A 75 A 文 80 85 Sketch the distributions of X and X on the same graph. A A 35 60 65 70 75 80 85 55 60 65 70 73 80 85 A A 60 63 70 75 80 83 55 60 65 70 75 80 85

X-N(70, 13). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let X be the random variable of sums Part (a) Sketch the distributions of X and X on the same graph. X A A S 55 60 65 70 75 80 85 55 60 65 70 A 75 A 文 80 85 Sketch the distributions of X and X on the same graph. A A 35 60 65 70 75 80 85 55 60 65 70 73 80 85 A A 60 63 70 75 80 83 55 60 65 70 75 80 85

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 21E
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  1. e) Sketch the graph, shade the region, label and scale the horizontal axis for x̄. and find the probability. (Round your answer to four decimal places.)

P(66 < x̄ < 72)=

f) Sketch the graph, shade the region, label and scale the horizontal axis for x̄, and find the probability. (Round your answer to four decimal places.)

P(29 < x̄ < 67)=

g) Give the distribution of ∑X

∑X - _____ (____,____)

 

X-N(70, 13). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let X be the random variable of sums Part (a) Sketch the distributions of X and X on the same graph. X A A S 55 60 65 70 75 80 85 55 60 65 70 A 75 A 文 80 85
Transcribed Image Text:X-N(70, 13). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let X be the random variable of sums Part (a) Sketch the distributions of X and X on the same graph. X A A S 55 60 65 70 75 80 85 55 60 65 70 A 75 A 文 80 85
Sketch the distributions of X and X on the same graph. A A 35 60 65 70 75 80 85 55 60 65 70 73 80 85 A A 60 63 70 75 80 83 55 60 65 70 75 80 85
Transcribed Image Text:Sketch the distributions of X and X on the same graph. A A 35 60 65 70 75 80 85 55 60 65 70 73 80 85 A A 60 63 70 75 80 83 55 60 65 70 75 80 85
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