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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28% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You randomly select 10 adults. Find the probability that the number of adults who say they are more likely to make purchases during a sales tax holiday is (a) exactly two, (b) more than two, and (c) between two and five, inclusive.
Determine whether the scenario involves independent or dependent events. Thenfind the probability There are thirteen shirts in your closet , four blue, five green, and four red. You randomly select different shirt each day. You wear a blue shirt on Monday, Tuesday, and Wednesday.
Q1 a b c
At an amusement park basketball game, you earn a large prize for making 3 baskets, a medium prize for making 2 baskets, a small prize for making 1 basket, and no prize for making 0 baskets. You have a 40% chance of making the basket each time. What is the probability that you will earn a large prize? If 250 people have the same chance as winning as you, how many large prizes are expected to be won? What is the probability that you will earn a medium prize? If 250 people have the same chance as winning as you, how many medium prizes are expected to be won?
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/
Suppose 33.3% of high school students eat pizza and 42% drink soda. If 17.3% of high school students eat pizza and drink soda, what is the probability that a randomly chosen high student will either eat pizza, drink soda, or both?
Giorgio offers the person who purchases an 8-ounce bottle of Allure two free gifts, chosen from the following: an umbrella, a 1-ounce bottle of Midnight, a feminine shaving kit, a raincoat, or a pair of rain boots. If you purchased Allure, what is the probability you randomly select an umbrella and a shaving kit in that order? Multiple Choice 0.00 1.00 0.05 0.20
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
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%
A certain style of shoes made by a company comes in blue, red, black, and white. From experience, the company knows the blue shoes are the most popular with 33% of the sales. This is followed by the red and black shoes respectively with sales of 26% and 25% for this style of shoes. The probability is ____________________ that for 10 randomly selected orders that 3 would be for the blue shoes, 2 for the red shoes, 1 for the black shoes, and the remaining orders for the white shoes.
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.

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