Given the probability distributions shown to the right, complete the following parts.a. Compute the expected value for each distribution.b. Compute the standard deviation for each distribution.c. What is the probability that x will be at least 3 in Distribution A and Distribution B?d. Compare the results of distributions A and B.a. What is the expected value for distribution A?H=0(Type an integer or decimal rounded to three decimal places as needed.)What is the expected value for distribution B?P=(Type an integer or decimal rounded to three decimal places as needed.)b. What is the standard deviation for distribution A?GNView instructor tip Help me solve thisType here to search2WS3EC$4Get more help.ORL%5T6G1.B B&7HUN8JX₁01234Distribution A911MKP(X=X₁)0.540.190.140.080.0582°FOOLPXi0124EDistribution BDP(X=x₁)0.050.080.140.190.54Next6:19 PM5/1/2022O Given the probability distributions shown to the right, complete the following parts.a. What is the expected value for distribution A?(Type an integer or decimal rounded to three decimal places as needed.)What is the expected value for distribution B?=(Type an integer or decimal rounded to three decimal places as needed.)b. What is the standard deviation for distribution A?(Type an integer or decimal rounded to three decimal places as needed.)What is the standard deviation for distribution B?(Type an integer or decimal rounded to three decimal places as needed.)View instructor tipHelp me solve this Get more help.OType here to search73410.WE R#1$%5T6&7Distribution A982°FODistribu

X p(X)p(X) X \cdot p(X)X⋅p(X) X^2 \cdot p(X)X2p(X) 0 0.54 0\cdot 0.54 = 00 0^2 \cdot 0.54 = 00 1…

Answered: Given the probability distributions…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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I need help with the following question: Consider the probability that more than 92 out of 157 flights will be on-time. Assume the probability that a given flight will be on-time is 62%. Approximate the probability using the normal distribution. Round your answer to four decimal places.
Given the probability distributions shown to the right, complete the following parts. a. Compute the expected value for each distribution. b. Compute the standard deviation for each distribution. c. What is the probability that x will be at least 3 in Distribution A and Distribution B? d. Compare the results of distributions A and B.
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Given the probability distributions shown to the right, complete the following parts. a. Compute the expected value for each distribution. b. Compute the standard deviation for each distribution. c. What is the probability that x will be at least 3 in Distribution A and Distribution B? d. Compare the results of distributions A and B. c. What is the probability that x will be at least 3 in Distribution A? P(x ≥ 3) = (Type an integer or a decimal. Do not round.) What is the probability that x will be at least 3 in Distribution B? P(x ≥ 3) = (Type an integer or a decimal. Do not round.) d. Use these results to compare distribution A and distribution B. View instructor tip # Type here to search. 2 Q. A Help me solve this Get more help. O Bi 9 Z S t 3 X E D $5 4 O R 5 M T 6 G & Y .B 7 8 N J X₁ 0 1 2 3 4 9 K Distribution A P(X=x₁) 0.54 0.19 0.14 0.08 Rain... 0.05 L P 4 X₂ 67230 7 1 Distribution B P(X= 0.05 Next 5/1/2022 0.08 0.14 0.19 0.54 B
The average income tax refund for the 2017 tax year was $1997. Assume the refund per person follows the normal probability distribution with a standard deviation of $943. Use this model to answer the following questions. Don’t use Excel formulas – use the tables. Show the standardization and other calculations. a) For a randomly selected return, what the is probability that the refund exceeds $2500 ? b) For a randomly selected return, what the is probability that the refund is between $2000 and $3000? c) What is the 3rd quartile of the refund amount? d) The 20th percentile?
According to National Testing data, college math class testing times are normally distributed with a mean of 54 minutes and standard deviation 7 minutes. The bell curve below represents the probability distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the three indicated boxes. l = 54 o = 7
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