1) A student takes a multiple-choice test that has 40 questions. Each question has 5 choices. The student did not study for the test and decides to randomly guess at each question. (Hint: The probability of guessing correctly is 0.2.) Round probabilities to four decimal places.

Q: Find the conditional​ probability, in a single roll of two fair​ 6-sided dice, that the sum is less…

A: It is an important part of statistics . It is widely used .

Q: 4. A box of ten items contains 7 good and 3 defective items. If a sample of two items is selected,…

A: 4. There are totally 10 items in a box out of which 7 are good and 3 are defective. The sample of…

Q: Find the conditional probability, in a single roll of two fair 6-sided dice, that the sum is less…

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Q: In the game of tic tac toe, if all moves are performed randomly the probability that the game will…

A: Solution: Let X be the random variable that the game of tic tac toe will end in a draw. The…

Q: If the firm stated that 30% would buy if contacted at home. What is the probability of the sales…

A:

Q: A consumer organization estimates that over a​ 1-year period 18​% of cars will need to be repaired​…

A: It is given that, P(repaired once)=0.18 P(repaired twice)=0.05 and P(three or more repairs)=0.04.

Q: Based on a poll taken at MSJC, 60% of students believe in ghosts. Assuming that we randomly select 7…

A: Obtain the probability that if the result of 1 MSJC student believing in ghosts is significantly…

Q: 1. In a 10-question, 5-answer multiple choice exam, a student who did not study decides to answer…

A: Probability is the chance of occurrence of observation can involve in the sample or event with equal…

Q: (a) If one of the participants is selected at random, what is the probability that he or she favors…

A: According to the answering guidelines,  we can answer only three subparts of a question and the rest…

Q: D.) A loaded coin was made so that the probability of the head turning out was twice more likely…

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Q: An expert was asked the following question:  Among 100 patients hospitalized, what percent do not…

A: Given data: The total numbers of people hospitalized are n=100. The given percentage of people…

Q: If two fair dice are rolled, find the probabilities of the following results A double, given that…

A: Consider the given information as If two fair dice are rolled, find the probabilities of the…

Q: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

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Q: 1. If two fair dice are rolled, what is the probability that the sum will be greater than or equal…

A: We first make a table for the outcomes when two dice are rolled. sum Outcomes Number of…

Q: A bag of 100 tulip bulbs purchased from a nursery contains 35 red tulip bulbs, 30 yellow tulip…

A: Given : A bag of 100 tulip bulbs purchased from a nursery contains 35 red tulip bulbs, 30 yellow…

Q: Sports science researchers determined that, for those people who skateboard, 22% have never had an…

A:

Q: A package of parts contains 10 parts from supplier I and 20 parts from a supplier II. If tour parts…

A: A package of parts contains 10 parts from supplier I and 20 parts from a supplier II. If four parts…

Q: Suppose you have two boxes A and B. Box A contains 7 black marbles, 4 white marbles. Box B contains…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: 3. A risk-averse individual is offered a choice between a gamble that pays P1000 with a probability…

A: Expected value is the measure that explain the average value. It is calculated by the combined value…

Q: If a single fair die is rolled, find the probabilities of the follow- ing results A 4, given that…

A: When a single dice rolled: Possibilities outcomes are: 1, 2, 3, 4, 5, 6.

Q: In Canada, 63% of households speak English as their primary language, and 23% speak French as their…

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Q: 4. The Traffic Violations Department receives 5 violations per hour, find the probability that it…

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Q: Traffic police has located speed radar traps at four locations Alor Setar, Dengkil, Seremban, and…

A: Given data Traffic police has located speed radar traps at four locations Alor Setar, Dengkil,…

Q: If a single fair die is rolled, find the probabilities of the follow- ing results. A 2, given that…

A: When a single fair die is rolled then the possible outcomes are 1, 2, 3, 4, 5 and 6. Hence, total…

Q: A test consists of ten multiple choice questions each with five possible answers, of which only one…

A: Total number of questions=10 number of possible answers=5 Probability of guessing correct answer for…

Q: Use technology (calculator, Microsoft Excel, or Google Sheets) to find the following binomial…

A: Given: n = 175 p = 0.35 q = 1-p     = 1-0.35 q = 0.65 Formula used: Binomial distribution: P(X = x)…

Q: Suppose a pair of dice are rolled. Consider the sum of the numbers on the top of the dice and find…

A: if a pair of dice are rolled then the possible out comesare 36.i.e n(s)=36no.of possible out comes…

Q: (b) In one high school, the athletic director found that 8% of the varsity athletes had concussions…

A: Solution: Let A be the event that the athletes had concussions while playing at the school. P( A)=…

Q: A, B played eight tennis games and the results were: A won three games, B won four games, and were…

A: The term probability is defined as the chance of occurrence of an event. The probability value…

Q: A decision maker subjectedly assigned the following probabilities to the four outcomes of an…

A:

Q: 2. Adrian has 5 keys on a key chain and one of the keys is used to unlock his office door. If Adrian…

A: 2. Given: Adrian has 5 keys on a key chain and one of the keys is used to unlock his office door.…

Q: It is shown that 20 percent of all persons given a certain medication get drowsy within two minutes.…

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Q: Suppose a pair of dice are rolled. Consider the sum of the numbers on the top of the dice and find…

A: GivenIf we roll a pair of die then the possible outcomes are 36

Q: An experiment consists of rolling a balanced die and then drawing a random card from a standard deck…

A: Solution: Let A be the event of rolling an even number, B be the event of rolling a 5, C be the…

Q: If a die is rolled one time, what is the probabilities of each outcome: a. getting a number greater…

A: GivenA die is rolled one timethen the outcomes are{1,2,3,4,5,6}Total no.of outcomes = 6

Q: In a random survey of students concerning student activities, 32 engineering majors, 26 business…

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Q: New information can be used to revise or update the prior probabilities so that the final decision…

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Q: According to a theory in genetics, if tall and colorful plants are crossed with short and colorless…

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Q: 4.31 A multiple-choice question on a test has five answers. If Dianne chooses one answer based on…

A:

Q: In a game of Jack n Poy, the player that wins 3 times out of 5 games is declared the winner. suppose…

A: Jack n Poy is a game performed by two players. Here, P(winning one time) = 1/2.

Q: According to a theory in​ genetics, if tall and colorful plants are crossed with short and…

A:

Q: 3. A constructor of airport terminals has a 0.40 chance of winning a contract for the construction…

A: Given that P(M) = 0.4,P(I )=0.3,P(both ) =0.1 P(M or I ) =?

Q: A person is taking a 5​-question ​multiple-choice test for which each question has three answer​…

A: P(Correct ) = 13

Q: A consumer organization estimates that over a 1-year period 15% of cars will need to be repaired…

A: Let r0 denotes no repair required. Let r1 denotes repairing is needed for once. Let r2 denotes…

Q: According to a theory in​ genetics, if tall and colorful plants are crossed with short and…

A:

Q: (a) What is the CDF of K? (b) What is the probability that fewer than two components of the system…

A:

Q: (a) If two dice are rolled, what is the probability that the sum of the upturned faces will equal 7?…

A: The number of cases where the sum of upturned faces = 6 Total number of outcome = 36   The…

Q: In an 8 question multiple-choice test, each question has 5 choices and only one of those choices is…

A:

Q: R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a…

A: It is an important part of statistics. It is widely used.

Q: In tic tac toe, there are three possible outcomes: x wins, o wins, and draw. In the 1998 tic tac toe…

A: Given that in tic tac toe, there are three possible outcomes: x wins, o wins, and draw. In the 1998…