The following plot shows the probability function of a random variable X. Estimate the needed probability from the information shownin the plot. What is the probability X= - 1?Ap(x)0.4-0.3-0.2-0.1--3-2-1The probability X= - 1 is-3(Simplify your answer.)

From the given plot Find p (x =-1 ) =?

Answered: The following plot shows 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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Solve the problem. The table below shows the probabilities of a person accumulating specific amounts of credit card charges over a 12-month period. Find the probability that a person's total charges during the period are $500 or more. Probability Charges Under $100 0.47 $100-$499 0.36 $500-$999 $1000 or more 0.12 0.05 O 0.05 O 0.17 O 0.83 O 0.95 ASUS f4 E3 f5 f6 47 区 f8 f9 f10 f11 4. 5 8. 9- 6 86 图

The probability distribution of x, the number of defective tires on a randomly selected car checked at a certain inspection station is given in the following table. Fill in the missing value: X 0 1 2 3 4 probability 0.66 0.13 0.04 0.02
x P(x) -4 0.35 -1 0.25 0 0.15 2 0.25 determine whether the table represents a discrete probability distribution. If not, explain why not.
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The table shows the probability distribution of the number of days (x) to complete a construction project by a contractor. x f(x) 1 0.104 2 3 0.312 4 0.240 5 0.098 6 0.017 5 The probability that it will take more than 2 days to complete the project is _________. a 0.722 b 0.694 c 0.667 d 0.641
Find the probability of the indicated event if P(E) = 0.25 and P(F) = 0.35. Find P(E or F) if P(E and F)= 0.20. P(E or F) =| (Simplify your answer.)
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Give the maximum and minimum number of books they could expect to sell in an hour. Use the table.
Analyzing data, you found that the probability that a computer user clicks on the online ad of your company is 0.22 or 22% (a person either clicks or does not click on your ad). Let X be the number of independent people who view the ad until someone clicks on it (including the person who clicked on the ad, so if we say X=5, that means it took 5 people to look at the ad to get one to click on the ad). Say you show the ad to 20 independent people. Let Y be the number of people who click on the ad among the 20 independent people who view the ad Let Z be whether a person who views the ad clicks on it or does not click on it. What type of distribution does x follow and what is the probability that x is equal to 3
Answers 0.30 0. 70 0.58 0.12
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In the table below x denotes the X-Tract Company’s projected annual profit (in $1,000). The table also shows the probability of earning that profit. The negative value indicates a loss. x f(x) x = profit -100 0.01 f(x) = probability -200 0.04 0 100 0.26 200 0.54 300 0.05 400 0.02 14 If we quadruple each value in the profit column above, the new variance of profit will be. a 187,136 b 183,467 c 179,870 d 46,784

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The following plot shows the probability function of a random variable X. Estimate the needed probability from the information shown in the plot. What is the probability X= - 1? Ap(x) 0.4- 0.3- 0.2- 0.1- 0- -2 -1 The probability X= - 1 is - 3 (Simplify your answer.)