6.12 Buying on eBay You are watching two items posted forsale on eBay and bid $30 for the first and $20 for the seconditem. You estimate that you are going to win the first bidwith probability 0.1 and the second bid with probability 0.2,and you assume that winning the two bids are independentevents. Let X denote the random variable denoting thetotal amount of money you will spend on the two items. a. List the sample space of all possible outcomes ofwinning or losing the two bids. (Draw a tree diagram.)b. Find the probability of each outcome in the samplespace. (Use the tree diagram.)c. Find the probability distribution of X.d. Find the mean of X.

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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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QUESTION9 A pizza restaurant offers 18 different toppings: 6 of them are vegetarian and 12 of them are non-vegetarian. Jon, a pizza connoisseur, calls to order large two-topping pizza with thin crust. Jon cannot decide which two toppings to select, so he randomly selects his first topping, and then he selects his second topping at random from the remaining toppings. What is the probability that both of his selections are non-vegetarian? Report your answer as a decimal rounded to three places. Do not round intermediate computations. 8more/
A bicycle factory runs two assembly lines, A and B. 93% of line A's products pass inspection and 90% of line B's products pass inspection. 30% of the factory's bikes come off assembly line B and the rest come off line A. Find the probability that one of the factory's bikes did not pass inspection and came off assembly line A. The probability is (Type a decimal. Do not round.)
26
Dan's Diner employs three dishwashers. Al washes 40% of the dishes and breaks only 2% of those he handles. Betty and Chuck each wash 30% of the dishes, and Betty breaks only 2% of hers, but Chuck breaks 4% of the dishes he washes. You go to Dan's for supper one night and hear a dish break at the sink. What's the probability that Chuck is on the job? The probability that Chuck is on the job is. (Round to three decimal places as needed.)
Dan's Diner employs three dishwashers. Al washes 20% of the dishes and breaks only 1% of those he handles. Betty and Chuck each wash 40% of the dishes, and Betty breaks only 1% of hers, but Chuck breaks 3% of the dishes he washes. You go to Dan's for supper one night and hear a dish break at the sink. What's the probability that Chuck is on the job? The probability that Chuck is on the job is (Round to three decimal places as needed.) An Pas
In a summer camp, 48% of the children are enrolled in swimming and 40% in tennis. One-third of the children signed for swimming are also enrolled in tennis. What is the probability that a randomly chosen child is enrolled in swimming given that the child signed up for tennis?
A farmer knows that 15% of the apples in his orchard have worms. He randomly selects 5 apples from the orchard. What is the probability exactly 2 of the selected apples have worms? Round to one decimal place. 0.2% 2.4% 13.8% 39.2%
You are conducting an experiment where a bucket is filled with 11 fluffy hamsters and 7 spiky sea urchins. You blindly reach into the bucket, grab an animal at random, and record which animal it was. After each trial the animal that you grabbed is removed from the bucket. What is the probability that you will grab a sea urchin on your first 3 trials? a. 4124 b. .0429 c. .0360 d. .0515
A shop keeper sells three models of televisions A, B and C.Sale of model A is 40% of which 3% are with stereo.Sale of model B is 40% of which 7% are with stereo.Sale of model C is 20% of which 9% are with stereo.What is the probability that a randomly sold television is with stereo?
Northwest Furniture Factory makes desks. Inspectors find that the probability that a desk has a structural defect is 0.03, the probability that it has a defect in finish is 0.07, and the probability of both kinds of defect is 0.02. A desk is randomly selected. Find the probability that a desk has structural defect, given that it has a defect in finish.
Solve it
A local bookstore holds a book signing for a famous author. Avid readers arrive at the rate of 45 customers per hour and the author signs books at the rate of 120 books per hour. What is the probability that there is exactly 1 reader in the system? Group of answer choices 27.2% 62.5% 66.7% 45% 33.3% 21.6% 11.9%

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