A quick quiz consists of 55 multiple choice problems, each of which has 44 answers, only one of which is correct. If you make random guesses on all 55 problems, (a) What is the probability that all 55 of your answers are incorrect? answer: (b) What is the probability that all 55 of your answers are correct? answer:

Q: During the grand opening of an electronics store, any customer has a 9% chance of winning a free…

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

Q: On a 6 question multiple-choice test, where each question has 5 answers, what would be the…

A: From the provided information, Number of questions (n) = 6 Each question has 5 answers.

Q: What are the odds of winning a raffle where 50 tickets were sold for a single $40 prize?

A: Solution

Q: You are to flip a fair coin, where probability of heads is equal to 50% (and tails is 50%). The fair…

A: Answer:- Given, The probability of head , P(H) = 50% = 0.50  The fair coin is flipped, n = 100000…

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 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: On a 9 question multiple-choice test, where each question has 4 answers, what would be the…

A: Obtain the probability of getting at least one question wrong.   The probability of getting at…

Q: Camila sets up a passcode on her smart phone, which allows only five-digit codes. She has heard that…

A: Given : The passcode consists of 5 digits  Out of 5 digits one digit appeared 2 times (because…

Q: A student randomly guesses at four multiple choice questions. Each question has three possible…

A: Let the random variable X denotes the number of correct answers and it follows binomial distribution…

Q: Kiara sets up a passcode on her tablet, which allows only six-digit codes. She has heard that it's…

A: Kiara sets up a pass-code on her tablet, which allows only six-digit codes. She has heard that it's…

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…

Q: On a 10 question multiple-choice test, where each question has 3 answers, what would be the…

A: Given : Number of sample = n = 10 Probability of right question = p = 1/3 = 0.3 Probability of wrong…

Q: A student takes a true-false test but did not study and randomly guesses each answer. There are 20…

A:

Q: Julia sets up a passcode on her tablet, which allows only eight-digit codes. A spy sneaksa look at…

A: According to the provided data, the passcode allows only eight digit codes. As the fingerprints on…

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

A: Given: X: Number of nets a fisherman need to lay in order to catch a fish. X~Geometric…

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: Suppose you are randomly guessing in a ten multiple choice questions. Find the probability that you…

A: To solve this problem, binomial probability distribution is applicable. The binomial probability of…

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: You randomly select one card from a​ 52-card deck. Find the probability of selecting the king of…

A: It is known that Number of cards in a deck = 52 Number of king of diamonds = 1 Number of two of…

Q: How many outcomes are possible when you roll 3 dice?

A: Here, we need to find out the total possible outcomes to roll 3 dice.

Q: On a 9 question multiple-choice test, where each question has 3 answers, what would be the…

A:

Q: If you have to answer 14 multiple choice questions, with each question having 7 choices, what is the…

A: The objective of this question is to find the probability of getting 6 or more correct answers out…

Q: Elizabeth's school is selling 100 raffle-tickets to raise money for a new gymnasium. The grand-prize…

A: Probability values can't be negative. It takes the values between 0 to 1. If the probability value…

Q: For Jermaine’s birthday, he can choose his gift from a stack of 4 sealed cards. Each card has one of…

A: Solution: For Jermaine’s birthday, he can choose his gift from a stack of 4 sealed card Let X…

Q: You are taking a multiple-choice quiz that consists of 10 questions. Each question has 5 possible…

A:

Q: A student ran out of time on a multiple choice exam and randomly guessed the answers for two…

A: The objective of this question is to find the probability that the student answered both of the…

Q: A professor grades homework by randomly choosing 6 out of 12 homework problems to grade. (a) How…

A:

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

A: Probability for at least 1 written as P(X ≥ 1) = 1 - P(X <1) I am solving below fir better…