Assume a member is selected at random from the population represented by the graph. Find the probability that the member selected at random is from the shaded region of the graph. Assumethe variable x is normally distributed.The probability that the member selected at random is from the shaded area of the graph is(Round four decimal places as needed.)Standardized Test CompositeScores26

Given that. X~N( μ , ?^2 ) μ=20.5 , ?=5.3 Z-score =( x - μ )/?

Answered: probability that the member selected at…

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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Normal scores for n = 4 Ordered position 1 234 n=4 - 1.05 - 0.30 0.30 1.05
Assume a member is selected at random from the population represented by the graph. Find the probability that the member selected at random is from the shaded area of the graph. Assume the variable x is normally distributed. SAT Critical Reading Scores H = 509 6 = 119 200
Determine the t-value in each of the cases. i Table of t-Distribution Areas Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.05 with 12 degrees of freedom. 1.782 (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.25 with 5 degrees of freedom. 0.727 (Round to three decimal places as needed.) -Area in (c) Find the t-value such that the area left of the t-value is 0.01 with 26 degrees of freedom. [Hint right tail - 2.479 (Round to three decimal places as needed.) (d) Find the critical t-value that corresponds to 95% confidence. Assume 10 degrees of freedom. Table VI (Round to three decimal places as needed.) t-Distribution Area in Right Tail df 0.25 0.20 0.15 0.10 0.05 0.025 0.02 0.01 0.005 0.0025 0.001 0.0005 127.321 14.089 636.619 31.599 12.924 8.610 6.869 1 1.376 1.963 3.078 6.314 12.706 4.303 3.182 2.776 2.571 15.894 31.821 63.657 9.925 5.841 4.604…
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Find the area of the indicated region under the standard normal curve. -0.45 0 2.11 Probability z is in between two numbers T184 normalcdf Is this is binomial probability or normal probability? What function you use on your calculator? normalcdf) Find the probability or the area below the curve. (type binomial or normal) (type binomialpdf or binomialcdf or (type as .abc)
5 The z-score that bounds a tail area of 0.1112 is ________. a 1.29 b 1.26 c 1.22 d 1.18
6 The z-score that bounds a tail area of 0.20 is ________. a 0.84 b 0.82 c 0.79 d 0.77
Reter to the accompanying data display that results trom a sample ot airport data speeds in Mbps. Complete parts (a) through (c) below. I Interval 13.046,22.15) x-17.598 Sx 16.01712719 n 50 a. Express the contidence interval in the tormat that uses the "less than" symbol. Given that the original listed data use one decimal place, round the contidence interval imits accordingly. (Round to two decimal places as needed.)
Assume a member is selected at random from the population represented by the graph. Find the probability that the member selected at random is from the shaded area of the graph. Assume the variable x is normally distributed. SAT Crtical Reading Scores 200x400 511 125 200 400 B00 Scone The probability that the member selected at random is from the shaded area of the graph is 0 1468 (Round to four decimal places as needed)

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probability that the member selected at random i from the shaded area of the graph is (Round to four decimal places as needed.) 26