Question 13くImagine that you are taking a multiple-choice quiz written in Icelandic and must guess randomly. Eachquestion has 3 choices and 1 correct answer. Please round all answers to four decimal places.Calculate the probability that you...answer the first question correctly.answer the first 2 questions correctly.answer the first 3 questions correctly.answer the first 4 questions correctly.

From the given information we find the probability.

Answered: Imagine that you are taking a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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3) Round your final answers to 3 digits after the decimal point. Take another guess: A student takes a multiple-choice test that has 10 questions. Each question has five choices. The student guesses randomly at each answer. Round the answers to three decimal places. a) Find the probability that student will correctly guess exactly 2 questions b) Find the probability that student will correctly guess more than 3 questions
You buy a lottery ticket that costs $20. There are only 100 tickets available to be sold in this lottery. There are three $500 prizes, 4 $100 prizes, and 10 $20 prizes. Find your expected gain or loss. Round your answer to 2 decimal places. Please do not include the dollar sign in your answer (Ctrl) -
A multiple-choice test contains 20 questions with 4 choices for each answer. If a student guesses on all the questions, find the probability that she will get at least 1 correct answer. Round your answer to 4 decimal places
Decide which of these numbers could not possibly be probabilities. Explain your answers. a. 00.47 b. −0.047 c. 3.5 d. 1/3.5
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.
Approximately 2 percent of Americans ages 50-60 have lung cancer. A patient with lung cancer has a 91 percent chance of a positive test. A patient without lung cancer has a 8 percent chance of a positive test (a false positive result). Complete the table below, then answer the questions below the table. Give all answers as decimals to 4 decimal places. Positive test result Negative test result Total Has lung cancer Does not have lung cancer Total What is the probability a patient has lung cancer given that she just had a positive test? Give answer as decimals to 4 decimal places.

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