2. You are taking a 5 question test and have to guess all the answers (each question has only 1 correct answer).If each question has 4 choices (A, B, C, or D) calculate the following probabilities.A. Probability you get ALL the questions correct. (Enter your answer as a fraction. DO NOT REDUCE)B. Probability you get NONE of the questions correct. (Enter your answer as a fraction. DO NOT REDUCE)

Answered: Image /qna-images/answer/738c3cb6-28ca-4586-a127-a9372c294bbf.jpg

Answered: 2. You are taking a 5 question test and…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Solve 1a and 1c
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A group of people were asked if statistics teachers know the true meaning of life. 255 responded "yes", and 497 responded "no". Find the probability that if a person is chosen at random, he believes statistics teachers know the true meaning of life. Probability (Please enter a reduced fraction.) %D
Six questions are in a multiple-choice quiz. Each question has 5 possible answers. A student guesses at each question. Find the probability that the student has 4 correct answers. Find the probability that the student passes (earns at least 50%) What is the student's expected number of correct answers?
Albert attended a music store's banjo sale. He counted the types of banjos and made note of their discounts. 25% off 50% off 4 strings 4 3 5 strings 3 3 What is the probability that a randomly selected banjo has 5 strings given that the banjo is 25% off? Simplify any fractions.
For Jermaine’s birthday, he can choose his gift from a stack of 4 sealed cards. Each card has one of four possible amounts: $10, $25, $50, and $100, and each amount has an equal probability. He is not allowed to open the card. Complete the table and answer the questions.
A student takes a multiple choice test that has 10 questions. Each question has five choices. The student guesses randomly at each answer. Find the probability that more than four of them fail the test.
q.10
Solve for the probability of drawing 4 diamonds in a row from a standard deck of cards, without replacing each card you draw. First categorize whether these are dependent or independent probabilities and then show and explain your answer. Show your answer in both fractional form and percent form.
In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts (a) through (c) below. 2 a. Find the probability of randomly selecting a student who spent the money, given that the student was given four quarters. The probability is (Round to three decimal places as needed.) b. Find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill. The probability is (Round to three decimal places as needed.) c. What do the preceding results suggest? Students Given Four Quarters Students Given a $1 Bill F2 W S 300 OA. A student was more likely to be given four quarters than a $1 bill. OB. A stúdent given a $1 bill is more likely to have spent the money than a student given four quarters. OC. A student was more likely to have spent the money than to have kept the money. OD. A student given four quarters is more…
At bedtime, you read three books to your kids, Walker, Michael, and Luke. Together, they have 32 books. If you decide to randomly choose three books, what is the probability that the three you choose will consist of each of their favorite books? Assume they have different favorites. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
Set up the problem as if it were to be solved, but do not solve. Assume that this selection is done without replacement. Determine the probability of being dealt 2 nines from a standard deck of 52 cards when 2 cards are dealt. P(2 nines) =

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