Time left 0:47:0 Assume that you take a multiple-choice test with n options for each question. The probability that you know the answer is p in answering a question on this test. If you don't know the answer, you pick one randomly. Given that you answered a question correctly, what is the probability that you knew the answer to it? a. n/(pn+1-p) pn/(n+1-p) C. pn/(pn+1-p) d. pn/(pn+n-p) Cleat/ww.choice. Next page

Time left 0:47:0 Assume that you take a multiple-choice test with n options for each question. The probability that you know the answer is p in answering a question on this test. If you don't know the answer, you pick one randomly. Given that you answered a question correctly, what is the probability that you knew the answer to it? a. n/(pn+1-p) pn/(n+1-p) C. pn/(pn+1-p) d. pn/(pn+n-p) Cleat/ww.choice. Next page

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...

See similar textbooks

Similar questions

J 2
For 50c, you can play a lottery where you pick a 3-digit number between 000 and 999. If you pick the winning number, you collect $275. What is the expected amount you will win or lose in this game?
A test was given to a group of students. The grades and gender are summarized below If one student is chosen at random from those who took the test, find the probability that the student got a 'a 'C'' GIVEN they are male. Write your answer as a reduced fraction.P(C ∣ male) = ?
R5
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 zero answers correctly:
a quiz for a psychology class consists of ten questions, the questions are multiple choices with five possible answers each with only one correcct answer. if the student did not study and is guessing for all ten questions (x is the number of correct answers a students get correct) A- what is the probability of that student gettting one correct answer? B- what is the probability of that student getting a passing grade (70% or more correct is passing)
You see a game at a local fair. You have to throw a dart at a color wheel. Each section on the color wheel is equal in area. # 3 e d C Let B = the event of landing on blue. Let R = the event of landing on red. Let G = the event of landing on green. Let Y = the event of landing on yellow. a. C If you land on b. If you land on red, you don't $ 4 r f V % Y, Y, you get you get the biggest prize. Find P(Y). 5 t 8 b 6 Oll y get a prize. What is P(R)? h & 7 n J j * 8 3 ( 9 k O L 0 alt р { ctrl [ + ? 2 backs ] 1
You are dealt one card from a standard 52-card deck. Find the probability of being dealt a heart. The probability of being dealt a heart is (Type an integer or a simplified fraction.) O Time Remaining: 01:25:42 Next Mac esc 2O F3 000 F1 F4 $ % 4 5 Q W E R # 3
A charity sells 1000 tickets for a lottery to raise money. 10 tickets will be chosen at random to win prizes: 1 $100 prize, 2 $50 prizes, and 7 $10 prizes. The other tickets will win nothing. Suppose you buy 1 ticket. Let P(x) = probability of winning x dollars. Match the following questions to their answers: P($100) + P($50) + P($10) + P($0)=? Choose... Choose... What is the probability that you win exactly $50 1/100 1 What is the probability that you do not win anything? 1/500 99/100
Multiple-choice questions each have 6 possible answers, one of which is correct. Assume that you guess the answers to 5 such questions. Use the multiplication rule to find the probability that the first four guesses are wrong and the fifth is correct. That is, find P(WWWWC), where C denotes a correct answer and W denotes a wrong answer. (round answer to 4 decimal places) P(WWWWC) What is the probability of getting exactly one correct answer when 5 guesses are made? (round answer to 4 decimal places) P(exactly one correct answer) = %3D
Solve this for me
A students takes a 5 - question, multiple-choice exam with four choices for each question and guesses on each question. Find the probability of guessing exactly 2 out of 5 correctly. O 0.205 O 0.063 0.264 O None of these answers