10. A multiple-choice test has 4 choices, one ofwhich is a correct answer. If a student just guesses the answer, what is the probability that he has exactly 3 correct answers in 4 successive unrelated questions?
Q: An unprepared student takes a 15 question true-false quiz and guesses at the answer to every…
A: Given Data Probability of success,p = 0.5 Probability of failure,q=(1- 0.5 )= 0.5…
Q: Suppose you have decided to play the lottery in a state where you choose 6 numbers from 1 to 36. If…
A: N = Universe = Number of ways to select 6 numbers from 1 to 36 M = Successful cases = Number of…
Q: A multiple choice quiz has 10 questions. Each question has 5 possible answers of which only one is…
A: Given that A multiple choice quiz has 10 questions. Each question has 5 possible answers of which…
Q: In the multiple choice experiment with four possible choices, what is the probability that the test…
A:
Q: A. For one question, what is the probability that a student will answer it correctly if he has 3…
A: A student is given a test consisting of 15 multiple choice questions, each having 3 possible…
Q: A multiple -choice test consists of 6 questions . Each question has answers choices of a,b,c,d, and…
A: From the provided information, Number of questions (n) = 6 Each question has answers choices of…
Q: A card is drawn at random from a well-shuffled deck of 52 cards. What is the probability of drawing…
A: Total no. of cards in a deck = 52 No. of face cards in a deck = 12 (i..e, 4 J's ,…
Q: A students takes a 5 – question, multiple-choice exam with four choices for each question and…
A: It is given that a students takes a 5 multiple choice question with each four choices.
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: 6. Richard has been given a 6-question multiple-choice.quiz in his history class. Each question has…
A: Number of questions = 6Each question has four choices, of which only one is correct.n=6, p =…
Q: A student must take a multiple choice exam with only one answer, the exam consists of 20 questions…
A: Let X = number of correct answers X ~ bin (n , p) where, n = 20 p = probability of choosing the…
Q: Julia buys a bag of cookies that contains 8 chocolate chip cookies, 8 peanut butter cookies, 9 sugar…
A:
Q: a. How many positive three-digit integers are multiples of 6? b. What is the probability that a…
A: (a) The first 3 digit multiple of 6 is 102 and the last 3-digit multiple is 996. So, the three digit…
Q: Flip an unfair coin 5 times. The probability of each head is 0.2.What is the probability of 3 heads…
A:
Q: In a multiple-choice test, each question is to be answered by selecting 1 out of 3 choices of which…
A:
Q: The probability of a student to be successful in the "Critical Thinking and Decision Making" course…
A:
Q: I need help with providing the formula and answer... Question: If your stats class contains 10…
A: 10 business majors 6 - biology majors 4 - math majors ________________________ 20 - total students…
Q: A class is taking a multiple choice exam. There are 77 questions and 55 possible answers for each…
A: There are 7 question and 5 possible answers for each question where exactly one answer is correct.
Q: A class is taking a multiple choice exam. There are 77 questions and 33 possible answers for each…
A: Total Question = 7 probability of correct guessing = p = 1/3 = 0.33 probability of wrong guessing =…
Q: 2. The random variable X has the exponential distribution with mean value 1. The conditional…
A: 2. From the give information, The random variable X has the exponential distribution with mean value…
Q: On a multiple choice quiz, there are eight questions. Each question has four choices (A, B, C or D).…
A: GivenSample size(n)=8p=14=0.25 (one correct choice in four…
Q: A bag contains 9 blue marbles, 10 red marbles, 4 white marbles. If one marble is drawn from the bag…
A: Given Information: A bag contains 9 blue marbles, 10 red marbles, 4 white marbles. Total number of…
Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…
A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…
Q: Three people are selected for a committee from 7 Democrats and 3 Republicans. What is the…
A: It is an important part of statistics. It is widely used.
Q: A final exam has 40 multiple choice questions. Each question has 5 possible answers, one of which is…
A: N = 40.Probability of correct answer: Probability of incorrect answer: A correct answer is worth 4…
Q: You have a homework assignment that contains 12 questions. Your instructor will grade a set of 5…
A: Given: Total number of questions, n = 12 5 questions would be graded Part 1: The total…
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: 2. You take a 5 problem multiple choice test with four answers for each problem. Find the…
A: Solution
Q: b) A box contains 8 red, 5 white and 3 blue marbles. A sample of nine marbles is drawn with…
A:
Q: In an experiment, a fair six-sided number cube, numbered 1 through 6, was rolled 2 times to…
A: From the sample space number of desired outcomes are (2,5) (2,6) (4,5) (4,6) (6,5) (6,6). Therefore…
Q: bag contains 5 green and 6 yellow marbles. Two marbles are drawn at random without replacement. If…
A:
Q: I. Exactly five bottles have serious flaws in glass II. Less than two bottles have serious flaws.…
A: here given , there are 100 glass bottles coming off a production line , out of 100 there are 20…
Q: A,B,and C
A:
Q: A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is…
A:
Q: if there are 28 cards in the box, 16 white and 12 black, the probability of drawing 6 white cards or…
A:
Q: a) 0.0001; b) 0.160
A: here n = 40 there are five options for a question. therefore probability of making a random guess…
Q: Suppose 20% of business majors major in finance. You take a random sample of 3 business majors. What…
A: We have given that Probability (p) = 20% = 0.20 Number of trials (n) = 3 Let x = number of success…
Step by step
Solved in 2 steps with 1 images
- 8-letter words, with or without meaning, are created by using the letters of "MERCEDES". Blank #1: How many different 8-letter words can be created? Blank #2: How many different 8-letter words are formed where M & D are together? Blank #3: What is the probability of selecting a word with M & D together? (Express Answer as a % to 2 decimal places.) Blank # 1 Blank # 2 Blank # 3 99+ * F1 **12 PrtSc Insert Delete F8 F9 Backspace Num Lock 9. T Y U PI H. K 11 Enter M Sh Alt Ctrl Home * C0A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 5 answer choices – a , b , c , d , e – and only one correct answer. What is the probability that he answered both of the problems correctly? Do not round your answer. (If necessary, consult a list of formulas.)Eloisa flipped a coin four times. What is the probability that it will land on heads exactly once? A multi-sided die with less than 20 sides is rolled. The probability of rolling a number divisible by 6 is 16. How many sides are there on the die? A student writes a multiple-choice test that consists of 3 questions, each with 4 choices. What is the probability of the student having a perfect mark on the test by guessing
- A multiple-choice test consists of 15 questions each with five possible answers ofwhich only one is correct. Suppose one of the students taking the test answers the questions byguessing. What is the probability that he answers at most 3 questions correctly?A student must take a multiple-choice exam with only oneanswer, the exam consists of 20 questions with 4 answer options eachOne, suppose the student does not prepare for the test and answers therandom.a. Find the probability that the student will win the test.B. How many questions are you expected to answer to get the fifthcorrect answer.40 Jennie's teacher told her to select two problems from a list of two C-level problems, five B-level problems, and one A-level problem. If she selected at random, what is the probability that she se- lected two B-level problems?
- Kaolin is taking a multiple choice math test. Each question has seven presented answers, but only one is correct. If Kaolin guesses randomly for each of the nineteen questions the test has, determine the probability that Kaolin gets at most one question correct. A. 618719 B. 25719 C. (190) +(191)719 D 61825719 E. (61)(191)719In an experiment, college students were given either 4 quarters or a one dollar bill and they could either keep some money or spend it on gum. find the probability of randomly selecting a student who spent the money, given that the student was given for quarters. What do the preceding results suggest?A4. Five marbles are to be chosen at random from 8 red marbles and 5 yellow marbles, Find the probability that a all 5 marbles are red. b. at least 2 marbles are red. c 3 marbles are red and 2 marbles are yellow.