If there are eight questions and each question has four answer choices, what is the probability she gets exactly 3 answers correct?

Q: At WSU hospital, 64% of patients have water on the knee, 45% have butterflies in the stomach, and…

A: Given: suppose  A = patient is having water on the knee PA=0.45 B = patients are having butterflies…

Q: . A committee of 4 is to be chosen from a group of 10 students. If Luis and Mercy are among those…

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Q: There are twenty multiple-choice question on exam, each having responses a, b, c, d. Suppose that a…

A: Given that, there are 20 multiple-choice questions. n=20 The probability of success = 80% =0.80…

Q: Kaja has a dog walking business that serves 9 dogs. If she chooses 4 of the dogs at random to take…

A: Kaja serves 9 dogs out of which 4 dogs named Cherish, Taffy, Haunter, and Maverick have to be chosen…

Q: If a hockey team loses 33% of the games they play, what is the probability that this team will win…

A: In an experiment, the probability of an event is the likelihood of that event occurring. Probability…

Q: The probability that an individual has 20-20 vision is 0.14. In a class of 77 students, what is the…

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Q: The HOD asked the professor to show him 4 answer books without "A", The professor complained that he…

A: The probability of the event is,   probability=Number of ways to event occurTotal number of possible…

Q: A restaurant critic has 10 new food trucks to try. If she tries half of them this week, what is the…

A: The probability formula is, Probability=Number of favourable outcomesTotal outcomes A restaurant…

Q: The guidance department has reported that of the senior class, 4.3% are members of Key Club, K, 7.6%…

A: Here, P(K) =0.043 P(P) =0.076 P(Both)=0.019

Q: In a class of 10, there are 5 students who play soccer. If the teacher chooses 2 students, what is…

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Q: To make a 750 piece jigsaw puzzle more challenging, a puzzle company includes 5 extra pieces in the…

A: Probability of an event is defined as total favorable outcome divided by total possible outcome.…

Q: In a class of 50 students, 29 are Democrats, 11 are business majors, and 5 of the business majors…

A: It is given that in a class of 50 students, 29 are Democrats, 11 are business majors, and 5 of the…

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

A: Let the outcomes of two dices be x and y.   To find the probability when: x=yx+y=8……1

Q: (a) Consider three classes, each consisting of 20 students. From this group of 60 students, a group…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: A box contains 8 green pens, 6 blue pens, and 6 red pens and you ask a friend to pick 3 pens without…

A: Note : Since you have asked multiple questions, we will solve the first question for you. If you…

Q: If two coins are tossed at once, what is the probability of getting only one head?

A: Probability of an event is the ratio of number of favourable outcomes to total number of possible…

Q: What is the probability of a student chosen at random liking wizards of Waverly place and Suite life…

A: Given: Number of students liking Waverly place and Suite of Zach and Cody only = 313 Number of…

Q: Damon has 14 white socks, 6 black socks, and 4 blue socks in his drawer. If he chooses two socks at…

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Q: In a particular community, 60% of the voters are Democrats, and 40% are Republicans. 44% of the…

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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: Alice has 8 pennies, 4 nickels, 2 dimes, and 6 quarters in her pocket. If one coin is drawn…

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Q: If out of a population consisting of 40% Hindus, 30% Muslims, 20% Sikhs, and 10% Christians, 10…

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Q: Given 12 civillians each wearing an earring and each of them have different or unique designs. If…

A: From the given information we find the probability.

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

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Q: A group of students is surveyed and 55% of the group is from Midland and 40% of the group like…

A: According to the provided data, the probabilities are;

Q: i have a 20p a 10p and a 2p coin, what is the probability of getting two tails and a head in any…

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Q: A multiple-choice test has 4 choices, one of which is a correct answer. If a student just guesses…

A: We have given that Probability of guessing correct answer p = 1/4 =  number of trial (n) = 3 Since…

Q: If there are 20 women and 10 men in a class, and you randomly picked out one person, what is the…

A: given there 20 women and 10 men we want to find the probability picked a woman ?

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: In a football match, suppose that the probability of Team A winning is 0.3, Team B winning is 0.5…

A: 3. The probability of Team A winning is 0.3, probability of Team B winning is 0.5, and the rest is…

Q: If you randomly select a letter from the phrase "I like to swim at the recreation pavilion," what is…

A: Here the given phrase is ,  "I like to swim at the recreation pavilion". Total number of letters in…

Q: In a ninth grade homeroom class, 3 of the 16 girls have red hair and 2 of the 15 boys have red hair.…

A: Given: Number of girls = 16 Number of boys = 15 Number of girl having red hair = 3 Number of boy…

Q: If parents have 5 kids, what is the probability of the first three being one sex and the next two…

A: Let M represents male kids and F represents female kids

Q: If the president and vice-president are selected at random, what is the probability that they are…

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Q: If we roll three six-sixed dice, what's the probability that their sum is even?

A: Further counting arguments can be used to find the number of ways of forming the other sums. The…

Q: In a three subject class setting, there is a 75% chance that the students will pass only two…

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Q: As a promotional offer, a newly opened movie theatre is awarding 25% of their new patrons with a…

A: It is an important part of statistics. It is widely used.  Since the question has multiple sub parts…

Q: If the firm stated that 40% would buy if contacted at home. What is the probability of the sales…

A: Given Information:  40% would buy if contacted at home i.e., p=0.40 Sample size (n) = 30 To find the…

Q: If a classroom of 32 students has 7 males (5 of who are single and 2 who are married) and 25 females…

A: Given,no.of single males=5no.of married males=2no.of single females=7no.of married females=18total…

Q: At a college, 20% of the students take Math, 30% take History, and 5% take both Math and History. If…

A: Let us define some events A : a student takes Math. B : a student takes History. Given that P(A) =…

Q: A debating team of size 4 is to be randomly selected from 3 academic staff and 6 students. The…

A: We have to select a team of size 4 from the 3 academic staffs and 6 students and we have to find the…

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

A: P(Correct ) = 13

Q: A school survey found that 9 out of 10 students like pizza. If three students are chosen at random…

A: We have to find given probability..

Q: Tom,Dick and Harry have three deck of cards.If each of them pick pne card from their own deck at…

A: Given,  Tom,dick and Harry have three deck of cards. Each of them pick one card from their won deck.…

Q: When taking two cards from the playing cards, what is the probability of getting the number 9 in…

A: Given :  Taking two cards from the playing cards, what is the probability of getting the number 9 in…

Q: If Luis has 8 pairs of socks (4 white, two black, one blue, and one red), what is the probability…

A: Answer - If Luis has 8 pairs of socks (4 white, two black, one blue, and one red),…

Q: If Brian gets 7 random cards from a standard deck of card, what is the probability that he will get…

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Q: If a sack contains eight blue marbles and ten red marbles, and you randomly select four, what is the…

A: The sack contains 8 blue and 10 red marbles.

Q: 46% of an insurance agents clients have life insurance, 40% have auto insurance and 28% have both…

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