4. If we randomly pull a number from B, what is the probability that it is also anelement of A?P5. If we randomly pull a number from A U B, what is the probability that it is alsoan element of AN B?P6. If we randomly pull a number from AN B, what is the probability that it is alsoan element of A U B?P 7A56.10231849

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Answered: 4. If we randomly pull a number from B,…

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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L9Q3. Which of the following is a sure event? A.Getting a number greater than 6 while rolling a die. B.Getting a tail while tossing a coin. C.Choosing a red ball from a basket containing 10 red balls. D.Drawing a number card from a deck.
Twenty people apply for three jobs. Eight of them are women, 12 of them are men. A. If three people selected at random, what is a probability that all three are woman?(Give your answer as a fraction, you do not need to simplify) B.If three people selected at random, what is a probability that only one is woman?(Give your answer as a fraction, you do not need to simplify) C. If three people selected at random, what is a probability that all three are men?(Give your answer as a fraction, you do not need to simplify)
6. State yes/no in each part, and explain in a sentence or two. a. You have a drawer filled with 20 balls, which are colored black or white. You have 12 black and 8 white balls. You randomly select a ball, record the color, and put the ball back into the drawer. Then you go to randomly select another from the drawer. Is the probability that the second pick is white independent of what the first ball color was? b. You have a box containing 52 cards, which are either red or black. You have 26 red cards and 26 black cards. You randomly select a card (do not put it back in the box). Then you go to randomly select another card. Is the probability that the second pick is red independent of what the first card was? c. A basketball player is going to do a free throw 100 times at practice. They are interested in the number of goals they make (each throw is either a goal or not). If each free throw attempt is independent with a 90% chance (0.90 probability) of being a goal, then is the total…
Suppose you have an urn containing 7 red and 3 blue balls. You draw three balls at random. On each draw, if the ball is red, you set it aside and if the ball is blue you put it back in the urn. What is the probability that the third draw is blue? (If you get a blue ball it counts as a draw even though you put it back in the urn).
Suppose we want to pick two numbers from{1,2,3,....,100} randomly. What is the probability that the sum of the two picked numbers is divisible by 5.
The sales force of a business consists of 10 men and 10 women. A production unit of 9 people is set up at random. a. What is the probability that it will consist of 4 men and 5 women? b. What is the probability that it will consist of all men? c. What is the probability that it will consist of at least one woman. a. The probability that it will consist of 4 men and 5 women is. (Simplify your answer. Type an integer or a fraction.)
There are 8 yellow and 4 red balls inside an urn. A. Two balls are selected one by one with replacement. What is the probability that the first is yellowand the second is red? B. What is the probability that the first is yellow and the second is red if the two balls aredrawn without replacement?
Otto, Yowbert, and Wembley each randomly select an integer between 1 and 10. By an "integer between 1 and 10", I mean a number from the set {1,2,3,4,5,6,7,8,9,10} What is the probability that Otto, Yewbert, and Wembley all select the number 7? What is the probability that Otto, Yewbert, and Wembley all select an integer that is less than 7?
Suppose you have three bowls, X, Y , and Z with some number of red and blue balls. Bowl X has 2 red and 2 blue balls, bowl Y has 1 red and 3 blue balls, and bowl Z has 3 red and 1 blue ball. A bowl is chosen at random and a ball is drawn from it. What is the probability that the ball was drawn from bowl X given the ball was blue?
There are 7 councilors in the Ames City council. Three of them are female. Suppose they need to select two councilors for a committee. Which expression is computing the probability that if both councilors are selected at random, both will be female? a. None of the other answers is correct. b. 2C3 / 2C7 c. 3/7 d. None of the other answers is correct. e. 3C2 / 7C2 f. 3C2 / 7C3
16. A box contains 12 red marbles and 8 blue marbles. Three marbles are randomly selected one at a time. Find the probability that all three are blue if they are selected. a. with replacement, and .b. without replacement eplaces b.15 withou
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