Mark took the math quiz decided to guess on a 10-item multiple choice. Each problem has 5 choices. a) What is the probability that Mark will get 7 of the questions correctly? b) What is the probability that Mark will get at least 3 of the questions correctly? c) What is the probability that Mark will get 1 to 3 of the questions correctly?

Q: On a 5 question multiple-choice test, where each question has 2 answers, what would be the…

A: From the provided information, Total questions that is number of trails (n) = 5 Each question has 2…

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A: From the information, any customer has a 9% chance of winning a free laptop .

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A: Here, X follows binomial with n= 20 and p=1/4.

Q: What is probability to guess 8 questions out of 11 to be correct if the quiz is multiple choice…

A: Let X be the random variable which represents the number of correct answers. Clearly, X has a…

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Q: A multiple-choice test has 30 questions, and each question has four possible answers, of which one…

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Q: A multiple-choice quiz has 15 questions, each with 4 possible answers of which only one is the…

A: Given,n=15p=14=0.25q=34=0.75Let X=no.of correct answersX~Binomial(n=15 , p=0.25)P(X=x)=Cx…

Q: To play a certain board game, the players roll 3 six-sided number cubes. The probability that the…

A: Probability,p= 7/72 So q= 1-p= 1-(7/72)= 65/72  n= 648 X~ binomial (648,7/72)

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A: (a)   Obtain the probability that the student does not answer any of the questions correctly.   The…

Q: 9) A multiple choice test has 7 questions each of which has 4 possible answers, only one of which is…

A: Given data,n=7p=14=0.25q=1-0.25=0.75P(X=3)=?

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A: Given that, In the game of Sudoku, the correct answer is a 3×3 grid where each cell contains a…

Q: Suppose a test consists of 10-multiple choice questions and each question has four choices.Calculate…

A: Given data, Number of questions n=10 probability of correct answer is p=14   P(exactly two questions…

Q: a.) the probability that the student will get exactly 6 correct answers b.) the probability of…

A: Here given  If Y is the number of correct answers that a student will get in a 10-item multiple…

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Q: A student guesses on all 12 questions of a multiple choice quiz with 5 answer choices for each…

A: From the provided information, Probability of correct answer (p) = 1/5 = 0.2 Number of questions (n)…

Q: On a 10 question multiple-choice test, where each question has 2 answers, what would be the…

A: Given there are 10 questions and each question has 2 answers. P(Correct)= 1/2 P(atleast one wrong)=?…

Q: Suppose that Alan is taking a multiple choice quiz where there are 3 choices for each question.…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: Assume that you guess on each question of a multiple choice test. There are 12 questions and each…

A: Given Data: The number of questions is: n=12 The possible answers to each question are: r=4 The…

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Q: When a fisherman lays a fishing net, he has a 10% chance of catching a fish. How many nets does he…

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Q: flip a fair coin three times. What is the probability of getting one head and two tails, in any orde

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Q: In the game of Sudoku, the correct answer is a 3×33×3 grid where each cell contains a unique…

A: Given , 3×3 grid where each cell contains a unique single-character number. Example: 1 2 3 4 5…

Q: Kay has 80% probability of making a free throw basket in basketball, and each free throw is…

A: Let us denote X=the number of successful free throws n=number of trials= 2 p=probability of success=…

Q: A spinner with number 1, 2, 3, 4, 5, 6, and 7 has an equal chance of landing on each number.  Find p…

A:

Q: what is the probability of passing the test

A: Let , X be the number of correct answers. Since , each question has four choices.  Therefore , the…

Q: On a 6 question multiple-choice test, where each question has 2 answers, what would be the…

A: GivenEach question has 2 answersso, p=12=0.5n=6x~Binomial(n=6,p=0.5)P(X=x)=(nx)×px×(1-p)n-x    ;…

Q: In jumbled box of pens and pencils, the probability of randomly choosing a sharpened pencil is .54…

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Q: In a multiple choice quiz there are 5 questions and 4 choices for each question. Robin has not…

A: a.The required probability is calculated as follows:

Q: a. You are to choose two different numbers from 1 to 12. What is the probability of choosing the…

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Q: A student is about to take a 20-item multiple choice exam (with 4 choices) without studying, and…

A: Binomial distribution is given by

Q: Kenmore Hockey Team winning a game is 75%. How many times would you expect them to win in a 24 ga

A: This is the case of binomial, as there are only two possible outcomes which are independent and…

Q: After eating, they decided to go home because they still had to answer the 20 multiple-choice…

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Q: The probability of the spinner landing on a multiple of 4 or a yellow space is? The probability of…

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Q: On a 8 question multiple-choice test, where each question has 2 answers, what would be the…

A: The each of the 8 questions of the test has 2 options. Thus, probability of choosing the wrong…

Q: here each question has 4 answers, what would be the probability of getting at least one question…

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Q: Find the probability that a single randomly selected value is greater than 167.5. 0.5359

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Q: What is probability to guess 12 questions out of 15 to be correct if the quiz is multiple choice…

A: Let X be the random variable which represents the number of correct answers.  X has a binomial…

Q: A Finite final consists of 40 multiple choice questions. If each question has 4 choices and 1 right…

A: X ~ B (n, p) Here n = 40, p = 1/4 = 0.25 The sample size is large therefore, the process will follow…

Q: A student is about to take a 20- item multiple choice exam (with 4 choices) without studying, and…

A:

Q: Kay has an 80% probability of making a free-throw in basketball, and each free-throw is…

A: Multiplication Rule: Multiplication rule for two independent events A and B is given by:

Q: In the game of Keno, which expressions shows the probability  to 'catch' exactly 4 good numbers in a…

A: Given information: In a game of Keno the total numbers is 80 and the number of matching numbers is…

Q: In a Lotto, 6 numbers of 49 are winning numbers. You have to pick 6 numbers. What is the probability…

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