A quiz consists of 20 multiple-choice questions, each with 6 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %. P(pass) 0.3268 %3D

Q: A quiz consists of 6 multiple choice questions. Each question has 4 choices. A student who forgets…

A: Let X=the number of correct questions n=number of trials=6 p=probability of getting the correct…

Q: Solve the problem, show solution per condition below; A hat contains 40 marbles, 16 of which are…

A: Ans - A hat contains 40 marbles, 16 of which are red and 24 are green. If one marble are selected…

Q: forty percent of consumers perfer to purchase electronics online.  you randoml select 8 consumers.…

A: Let X be the number of consumers who prefer to purchase electronics online. Then, for given data:…

Q: A fair die is rolled 4 times. What is the probability of getting at least one 2 on the four rolls?…

A: We have to find given probability.

Q: For an outdoor concert by the city​ orchestra, concert organizers estimate that 10,000 people will…

A: The number of people will attend his concert is 5,000.

Q: a) Find the probability that one randomly chosen score is less than 1462. P(X < 1462) = b) Find the…

A: Let X denote the SAT scores. Given that X follows N(mean = 1473, SD = 64), then Z = (X - mean)/SD…

Q: A die is thrown 8 times. If getting a 2 or 4 IS a success. probability of i) ii) P(X<3) 4 success…

A: From the given data using binomial distribution B(x,n,p)=Cxnpx(1-p)n-x where n= number of trials =8…

Q: Solve and show solution per conditiond below; A “multiple choice” question in a test contains five…

A: Given  There are 5 answer in multiple choice questions, in which only one is correct and four option…

Q: The probability of winning a game is TO Does this mean that if you play the game 1000 times, you…

A: The probability formula is defined as the possibility of an event to happen is equal to the ratio…

Q: Thirty four percent of us adults have very little confidence in newspapers. you randomly select…

A: Thirty four percent of us adults have very little confidence in newspapers. Probability = 34% = 0.34…

Q: The probability of flu symptoms for a person not receiving any treatment is 0.051. In a clinical…

A:

Q: Thirty percent of consumers prefer to purchase electronics online. You randomly select 8consumers.…

A: Given:Probability of success (p) = 0.30Number of trials (n) = 8Consider, X be the random variable…

Q: You are taking a multiple-choice quiz that consists of five questions. Each question has four…

A: Let X be the number of correct answers which follows binomial distribution with sample size 5, and…

Q: P(x = 2) = b) What is the probability that a randomly selected person has received three tickets in…

A:

Q: . A student takes a 17-question, multiple-choice exam with four choices for each question and…

A: Here there are a total of 17 question and each question has 4 choices. Probability of making a…

Q: A quiz consists of 20 multiple-choice questions, each with 4 possible answers. For someone who makes…

A: Since you have submitted two questions, we'll answer the first question. For the second question…

Q: Giving a test to a group of students, the grades and gender are summarized below A В Male 9. 15…

A:

Q: r an outdoor concert by the city​ orchestra, concert organizers estimate that 11,000 people will…

A: To find the expected number of people who will attend this concert.

Q: SAE MST has 5 multiple choice questions with five choices with two correct answer each. If we just…

A:

Q: A die is thrown 8 times. If getting a 2 or 4 is a success. Find the probability of i) 4 succesS…

A:

Q: randomly and tested for the marker, what is the probability that 1 man doesn't have the marker?…

A: Given : The number of men is the study, N=600 The proportion of the men carry a marker on the male…

Q: A multiple-choice test contains 5 questions, each with four answers. Assume that a student just…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: If the number of defects in a sheet metal is Poisson with 5 defects per meter square. Find the…

A: Given, the number of defects in sheet metal is Poisson with 5 defects per meter square To find the…

Q: Which formula can be used to determine the probability of success after a waiting time of x…

A: Given that  X is a discrete random variable.  Probability of success after a waiting time Of x…

Q: Find the probability that (a) Your friend will have to wait more than 10 minutes. (b) You will have…

A:

Q: A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses…

A: Given,n=25p=14=0.25q=1-pq=1-0.25=0.75Let X=A sample of 25 questions the students answered no.of…

Q: x)=P[X%3x] 0.850 0.120 0.015 0.010 0.005 Question: Find the probability of selecting a person that…

A:

Q: A multiple-choice test contains 25 questions, each with four choices. Assume a student just guesses…

A: (a) The probability that he student answers more than 20 questions correctly is, Therefore, the…

Q: Brooke buys a bag of cookies that contains 5 chocolate chip cookies, 5 peanut butter cookies, 6…

A: Given: A bag of cookies contains: Chocolate chip cookies = 5 Peanut butter cookies = 5 Sugar cookies…

Q: You are taking a multiple-choice quiz that consists of five questions. Each question has four…

A: In n independent Bernoulli trials, a discrete random variable having two possible outcomes with…

Q: An airline estimates that 94% of people booked on their flights actually show up. If the airline…

A: proportion of people booked on their flights actually show up : p = 0.94   X : number of people…

Q: A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is…

A: From the provided information, Sample size (n) = 12 Probability of correct answer (p) = 1/5 = 0.2…

Q: Noah buys a bag of cookies that contains 5 chocolate chip cookies, 4 peanut butter cookies, 4 sugar…

A: GivenNo.of chocolate chip cookies = 5No.of peanut butter cookies= 4No.of suga cookies = 4No.of…

Q: The probability of correctly guessing three answers on a multiple choice quiz is 1/64 . If a student…

A: Given The probability of correctly guessing three answers on a multiple choice quiz is 1/64

Q: Perform the experiment, tally your results, and calculate the probability. Simultaneously toss a…

A: From the definition of probability, if an experiment can occur in any of n mutually exclusive and…

Q: A student takes a 32-question multiple choice exam but did not study and randomly guesses each…

A:

Q: In answering a question on a multiple-choice test, a student either knows the answer or guesses. Let…

A: Given Data: P( Student knows and Correct Answer)=3/4 P( Correct Answer)=34+14×14=1316

Q: Forty-three percent of men consider themselves baseball fans. You randomly select 14 men and ask…

A: Let , X be the number of baseball fans. Here , X→B(n=14 , p=0.43) The probability mass function of X…

Q: You randomly select a number between 1 and 10 twice. Find the probability of selecting a multiple of…

A: Let, A = {When randomly selecting a number from 1 and 10 twice such that to get a multiple of 2 at…

Q: Suppose the probability of success in a binomial trial is 0.63. What is the probability of failure?…

A: Given,The probability of success in binomial (p)=0.63

Q: Find the probability that the mean of a sample of 25 people is less than 10. P(X 10) =O

A:

Q: Five brothers and their wives decide to have children until each family has two female children.…

A: Introduction to Negative binomial distribution: Consider a random experiment involving x failures…

Q: A coin is tossed four times. The probability of getting not more than one h A. 1/16 B. 5/16

A: If we toss a fair coin, there are two possible outcomes for each trial that is "Head' and "Tail".…

Q: A quiz consists of five multiple choice questions. Each question has four choices. A student guesses…

A: Let X=the number of correct questions n=number of trials=5 p=probability of getting the correct…

Q: Hitting the jackpot in Powerball is not the only way to win a monetary prize. For example, a minimum…

A: The player will be given a minimum award of $50,000. There are 69 white balls (W) and 26 red balls…

Q: Find the indicated probability. A multiple choice test has 12 questions each of which has 5 possible…

A: This is the case of binomial distribution of probability function  P(exact  r success ) = nCr…

Q: a quiz for a psychology class consists of ten questions, the questions are multiple choices with…

A:

Q: A bag contains 5 red balls and some blue balls.lf the probability of drawing a blue ball is double…

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Q: X)=P[X=x] 0.120 0.015 0.010 0.005 0.850 Question: Find the probability of selecting a person that…

A: 3) Let X denote the all prisoners were asked how many tattoos they had which will serve The table of…

Q: cidentally dropped. Find the chance that the missing cards are one from each suit.

A: Given, A pack contains 52 cards. number of ways in which 4 cards can be chosen out of 52 cards is…