An engineering construction firm is currently working on power plants at threedifferent sites. Let A; denote the event that the plant at the site i is completedby the contract date. Use the operations of union, intersection, and complementto describe each of the following events in terms of A1 , A2 , andAg .(a) At least one plant is completed by the contract date.(b) All plants are completed by the contract date.(c) Only the plant at site 1 is completed by the contract date.(d) Exactly one plant is completed by the contract date.(e) Either the plant at site 1 or both of the other plants are completed by thecontract date.1. A1 U A, U A32. A1 N A2 N A33. (A1 N AG N Ag) U (AfN Az N AG) U (A¡ n Aş N A3)4. A1 N Ag N Ag5. Aj U (A2 N Ag3)The correct option below to match each event to the corresponding descriptionisabcde -- 54231abcde -- 54321 abcde -- 12435 abcde - 12345abcde - 21435

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Answered: An engineering construction firm is…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The access code for a gym locker consists of three digits. Each digit can be any number from 1 through 8, and each digit can be repeated. Complete parts (a) through (c) (a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try? (a) Find the number of possible access codes. The number of different codes available is (b) What is the probability of randomly selecting the correct access code on the first try? The probability of randomly selecting the correct access code is (Round to three decimal places as needed.) (c) What is the probability of not selecting the correct access code on the first try? The probability of not selecting the correct access code is (Round to three decimal places as needed.) GELEM
Answer for questions D),E)
Two gas stations are located in a certain intersection.Each one has six gas pumps. Consider an experiment in which the number of pumps in use at a particular time of a day. (1) Let A denote that event that the number of pumps in use is the same for both stations. List the outcomes in A.(2) Let B denote that event that the total number of pumps in use is five. List the outcomes in B.
A cell phone salesperson has kept records on the customers who visited his store. Forty percent of the customers who visited the store were female. Furthermore, the data show that 35% of the females who visited his store purchased a cell phone, while 20% of the males who visited his store purchased a cell phone. Let A1 represent the event that a customer is a female, A2 represent the event that a customer is a male, and B represent the event that a customer will purchase a phone.What is the probability that a female customer will purchase a cell phone?
A bag contains 3 balls: 1 yellow, 1 red, and 1 green. Suppose I draw 2 balls from the bag with replacement (that is, after drawing the first ball and observing its color, I return it to the bag). Let Y be the event of drawing a yellow ball in a given draw, R be the event of drawing a red ball and G be the event of drawing a green ball.
Please answer and fully explain.
2. Let A be the event that you read a book before bed, let B be the event that you will check Instagram before bed, and let C be the event that you brush your teeth right before going to bed. Express the following event in symbols: Either you will brush your teeth or check Instagram before going to bed, but you will not read a book right before bed.
The access code for a garage door consists of three digits. Each digit can be any number from 1 through 7, and each digit can be repeated. Complete parts (a) through (c). (a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try?
An experiment consists of rolling a fair die twice. Let A be the event that in the second roll the die lands 1, 2, or 5; B be the event that in the second roll the die lands 4, 5, or 6; and C be the event that the sum of the two outcomes from the two rolls is 9. Please choose the correct answer:
a lunch menu consists of 6 different kinds of sandwiches, 3 different kinds of soup and 4 different drinks. How many choices are there for ordering a sandwich, a bowl of soup and a drink
The access code for a safe consists of three digits. Each digit can be any number from 1 through 7, and each digit can be repeated. Complete parts (a) through (c). (a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try? (a) Find the number of possible access codes. The number of different codes available is nothing. (b) What is the probability of randomly selecting the correct access code on the first try? The probability of randomly selecting the correct access code is nothing. (Round to three decimal places as needed.) (c) What is the probability of not selecting the correct access code on the first try? The probability of not selecting the correct access code is nothing. (Round to three decimal places as needed.)

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