Using R find the probability of guessing zero answers correctly:
Q: Sixty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers.…
A: Let the R.V X denotes the number of consumers prefer to purchase electronics online and it follows…
Q: Probability CRQ Sally's teacher created a math problem, but she colored the marbles with invisible…
A: As per the definition of probability, The probability of an event is obtained as- Probability=No. of…
Q: You toss a coin 3 times. What is the probability that you get 2 heads? Write your answer as a…
A: Let H=headT=tailif we toss a coin 3 times than the possible outcomes areHHH, HHT, HTH, THH,HTT,…
Q: Giving a test to a group of students, the grades and gender are summarized below A Total Male 18 4…
A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…
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: d) Find the probability of getting a spade. Leave your answer as a fraction. e) Find the…
A: Deck consists of 52 cards. n(S)= 52
Q: Kay has an 80% probability of making a free-throw in basketball, and each free-throw is independent.…
A:
Q: A balloon artist counted the number of balloon animal requests he received at a party. The balloon…
A:
Q: Coat Shopping Twenty percent of consumers prefer to purchase coats online. You randomly select 16…
A: Given data: Probability = 20 % Sample size (n) = 16 To find: The probability that the number of…
Q: A student takes a 30 question multiple choice test where each answer has answer choices (a) - (d).…
A: Let x follows binomial distribution with parameters n = 30 and p = ¼ = 0.25 The pdf of binomial…
Q: Find E(X) = Find Var(2X + 100 - 24) = What is the probability that a child in Sweden can speak…
A:
Q: T-shirts with company logos are printed. Employees need to submit the size of T-shirt they wear.…
A: It is given that there are 3 possible outcomes of the variable T-shirt size. The possible standard…
Q: A multiple-choice test has five questions, each with four choices for the answer. Only one of the…
A: (a) Obtain the probability that the student does not answer any of the questions correctly. The…
Q: Fifty-five percent of consumers prefer to purchase electronics online. You randomly select 8…
A: Binomial Distribution : The binomial distribution is a discrete probability distribution with two…
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: A spinner is divided into 4 equal sections. The probability of landing on A is 1/4. Brandy spins…
A: Given that: n=the number of trials=24 p=probability of landing on A= 1/4 Each spin is independent…
Q: Forty-five percent of consumers prefer to purchase electronics online. You randomly select 8…
A: Ans#- Given P = 45% = 0.45 0f consumers prefer to purchase electronics online. You…
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: A middle school has 490 students. Mae surveys a random sample of 60 students and finds that 24 of…
A: Let , x students are likely to have pet dogs So, in 490 students x have pet dogs In 60 students 24…
Q: You randomly select one card from a 52-card deck. Find the probability of selecting a red card. A.…
A: We have to find probability of getting red card.
Q: The table shows the results of randomly drawn colored marbles from a bag of 150 marbles. blue red…
A:
Q: Yvonne tosses three coins. She is calculating the probability that at least one coin will land as…
A:
Q: P6. Consider the process of a student showing up for an exam in the wrong classroom and have…
A:
Q: Thirty-five percent of consumers prefer to purchase electronics online. You randomly select 8…
A:
Q: Dante is going to watch a movie in his collection. He has 3 action movies, 11 comedies, and 9…
A: Given: Action movie = 3 Comedian = 11 Dramas = 9
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: Mark took the math quiz decided to guess on a 10-item multiple choice. Each problem has 5 choices.…
A:
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: Noah is a professor in business statistics. He gives a 25 questions multiple choice tests. If each…
A:
Q: A balloon artist counted the number of balloon animal requests she received at a party. The balloon…
A: Given data is Giraffe Dog Total Purple 4 7 11 Green 6 3 9 Total 10 10 20
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: Find the probability of selecting a spade from a deck of cards and then selecting the four of hearts…
A: Note: Hello! Thanks for the question. you didn't specified any information about 'with replacement'…
Q: The probability a student has blue eyes is p. Five students are selected at random. Write down, in…
A: It was stated that the probability that a student has blue eyes is p. Five students are selected at…
Q: Find the probability P(E or F) if E and F are mutually exclusive, P(E) = 0.25, and P(F0.45. The…
A: Two events say E and F are said to mutually exclusive if there exists not a single outcome that is…
Q: You roll a number cube one time. What is the probability of rolling a number more than 0? Write you…
A:
Q: THE PROBABILITY OF X SUCCESS, GIVEN n=12, p=0.35, X = 4 THE PROBABILITY OF X SUCCESS, GIVEN n=17,…
A: The probability of X success is obtained using Binomial probability as below: Here we are provided…
Q: Forty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers.…
A: From the given information we find the probability.
Q: Find the total possible outcomes. The breakfast at Derrick's Place has a choice of cereal, eggs, or…
A: Solution --------------- Given that Breakfast items: cereal,eggs french toast Drink items :…
Q: A quiz consists of 10 multiple choice questions,each with five possible answers, one of which is…
A: Given data, n=10 p=1/5 =0.2 To pass the exam student needs to correct 10*60%=6 questions i.e.,…
Q: THE PROBABILITY OF X SUCCESS, GIVEN n=15, p=O.75, X = 10
A: Given that: n=15p=0.75x=10 According to Binomial theorem: P=Cxnpx1-pn-x
Q: Giving a test to a group of students, the grades and gender are summarized below A B C Total 15 17…
A:
Q: Toni can make 54% of her free throw shots. Her friend challenges her to make 4 free throw shots in…
A: Let F represents free thow shot. NF represents not free throw shot P(F) = 54% = 0.54 determine…
Q: Q5: Three runners in a race A, B, C. If the probability of A winning is twice the probability of B…
A:
Q: A quiz consists of 24 multiple-choice questions. Each question has 5 possible answers only one of…
A:
Q: A multiple-choice test has five quesbons, each with five choices for the answer. Only one of the…
A: Solution: From the given information, a test has 5 questions and each question has five choices.
Q: Find the probability of drawing a N, replacing it, and drawing a R. Find the probability of drawing…
A: # Given ; no of As=4 ,Rs=5 ,Ps=3, Ns=2, Us=1 then to find probability of drawing 1): N and…
Q: A bag of candy contains 12 candy bars and 16 lollipops. If a piece of candy is selected from the bag…
A: what we need to find here is the probability that the selected piece of candy is lollipop (odds…
Q: Which z-score has the higher frequency? (a) z = +1.0 or z = +2.3; (b) z = −2.8 or z = −1.7; (c) z =…
A: The z-score with the higher frequency is the one that lies in the centre of the distribution.
Q: The table shows the results of randomly drawn colored marbles from a bag of 150 marbles. blue red…
A:
Q: Find the probability X = 10. %3D Find the probability X = 11.
A:
You are taking a multiple-choice quiz that consists of five questions. Each question has four possible answers, only one of which is correct. To complete the quiz, you randomly guess the answer to each question.
Using R find the
Step by step
Solved in 2 steps
- A middle school has 490 students. Mae surveys a random sample of 60 students and finds that 24 of them have pet dogs. How many students are likely to have pet dogs? A 98 B 245 C 294 D 196The probability of earning an A in gym class is 80%. There are 5 students who carpool together.The probability of winning on a slot machine is 8%. If a person plays the machine 300 times, find the probability of wining at most 20 times.
- The table shows the results of randomly drawn colored marbles from a bag of 150 marbles. How many marbles in the bag would you expect to be blue or green?You are taking a multiple-choice quiz that consists of five questions. Each question has four possible answers, only one of which is correct. To complete the quiz, you randomly guess the answer to each question.Using R find the probability of guessing at least three answers correctly:B. Solve the probability and show solutions.
- Find the probability of getting exactly 12 out of 30 questions on a true or false question. Select the correct response: 6% 7% 8% 9%Use the multinomial formula: The probability that a person will have 0, 1, or 2 dental checkups a year is 0.24, 0.51, and 0.25 respectively. If 7 people are chosen at random, what is the probability that 2 will have no checkup, 3 will have 1 checkup, and 2 will have 2 checkups next year?Mr. B bought a raffle ticket for $5,000 which has a 0.992 chance of winning $50,000. Find the EV.
- A bag contains 4 red chips, 5 blue chips, and 3 green chips. If Susie selects a chip from the bag, what is the probability that she selects a green chip? Express the answer as a percentSolve by the method of your choice: Fifty people purchase raffle tickets. Three winning tickets are selected at random. If first prize is $1000, second prize is$500, and third prize is $100, in how many different ways can the prizes be awarded?Alice has some red balls and some blue balls in a bag. Altogether she has 25 balls. Alice picks one ball from the bag. The probability that Alice picks a red ball is x and the probability that Alice picks a blue ball is 4x. Work out how many blue balls are in the bag.
