If bolt thread length is normally distributed, what is the probability that the thread length of a randomly selected bolt isn USE SALT(a) Within 0.5 SDs of its mean value? (Round your answer to four decimal places.)(b) Farther than 1.4 SDs from its mean value? (Round your answer to four decimal places.)(c) Between 1 and 2 SDs from its mean value? (Round yournswer to four decimal places.)

A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…

Answered: If bolt thread length is normally…

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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An analysis of variance produces SSbetween = 30, SSwithin = 60. Df between is 2 and df within is 15, For this analysis, what is the F-ratio? a. 30/60 = 0.50 c. 15/4 = 3.75 b. 60/30 = 2.00 d. 4/15 = 0.27
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h 1 ces D by Oni 35. Probability and Statistics Normal Distributions For the following problems, use the information below. A normal distribution has a mean of 85 and a standard deviation of 10. 39) Find the range of values that represent the middle 68% of the distribution. OA) 65-105 OB) 75-95 Save Not Graded 40) Find the range of values that represent the middle 95% of the data. OA) 65-105 OB) 75-95 Save Not Graded 41) Find the range of values that represent the middle 99% of the data. OA) 65-105 OB) 55-115 Save Not Graded
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