nheducation.com/ext/map/index.html?_con%3Dcon&external_browser%3D0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activity/questio.am iSavedHelpSave & ExitThe discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The tablebelow shows the probability distribution for X. What is the expected value EX) for this distribution?0.2.TotalP(X).40.30.20.10.1.00Multiple Choice1.21.01.5< Prev16. of 19Next >o 耳曲@to search45°F Rain showers

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Answered: The discrete random variable X is the…

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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Please answer the following three questions. Ill make sure to like the response thanks a ton please make sure its right
What's More s 03 gaibaogaero Independent Activity 1 A. Determine whether the distribution represents a probability distribution or not. Explain-your answer. 1 7. 8 1. P(X) 4 3 4 1 1. P(X) -3. 3 1 3 7. P(X) 0.35 0.25 0.22 0.12 4. P(1)=0.42, P(2)=0.31, P(3)-D0.37 5. P(1)= P(2)= P(3)= B. Determine whether the following can serve as the probability distribution of a random variable X. 1. P(X)= for x= 1,2,3,......7 bai oflot sru to vilidedone X-2 2. P(X)= for x 1,2,3,4,5 16. 1/3 2.
The probability distribution below is for the random variable X = the number of credits taken by a randomly selected first-year student at a large state university. Credits 14 15 16 17 Probability 0.05 0.65 0.20 0. 10 Show that the probability distribution of X is valid.
Fault Since 1857, Parkfield, California, has had a major earthquake on the average of once every 22 years. Explain why a Poisson probability distribution would be a good choice for r = number of earthquakes in a given time interval. Compute the probability of at least one major earthquake in the next 22 years. Round λ to the nearest hundredth, and use a calculator. Compute the probability that there will be no major earthquake in the next 22 years. Round λ to the nearest hundredth, and use a calculator. Compute the probability of at least one major earthquake in the next 50 years. Round λ to the nearest hundredth, and use a calculator. Compute the probability of no major earthquake in the next 50 years. Round λ to the nearest hundredth, and use a calculator.
100 patients with lung cancer and 100 patients without lung cancer were enrolled in a study. They were questioned about tobacco use over the past 20 years. 80 of the lung cancer patients reported smoking as did 20 of the patients without cancer. Find the odd ratio and interpret that number
The probability of Jack making a free throw is 0.90. Assume one morning, he will attempt 5 shots and each one is independent. Let the random variable X represent the number of free throws he makes in 5 attempts. (Probability distribution of X given in the table) What is the probability that Jack will make a number of free throws out of 5 attempts that is less than the mean of X?
d, e, f please. thanks
The probability distribution below is for the random variable X = the number of credits taken during the fall semester by a randomly selected student at a large university. Calculate the mean of X. Round to the hundredths place. Credits 14 15 16 17 Probabiblity 0.05 0.65 0.20 0.10
Five males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the five who inherit the X-linked genetic disorder. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. child(ren) (Round to one decimal place as needed.) X 0 1 2 3 4 5 Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, the random variable x's number values are not associated with probabilities. C. No, the random variable x is categorical instead of numerical. D. No, not every probability is between 0 and 1 inclusive. E. No, the sum of all the probabilities is not equal to 1. Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. P(x)…
Do you carpool? Let X represent the number of occupants in a randomly chosen car on a certain stretch of highway during morning commute hours. A survey of cars showed that the probability distribution of X is as follows. x 1 2 3 4 5 Px 0.63 0.13 0.11 0.02 0.11 (a) Find P2 . .
• Let X be the number of games that a soccer team wins in a tournamer distribution of X is given by the table 1 4. P(x) 0.3 0.28 0.22 0.1 0.03 0.07 The probability that the number of games won by the soccer team is less than 2 or more than 4 equals A. 0.78 B. 0.22 C. 0.65 D. 0.35
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The discrete random variable X is the number of students that show up for Professor Smith's office hours on Monday afternoons. The table • below shows the probability distribution for X. What the expected value EX) for this distribution? 3 Total P(X) .40 .30 .20 .10. 1.00 Multiple Choice