In a multiple-choice exam, there are 30 questions. There are 5 answers for each question and only one answer is correct. A student answers the exam by selecting the answers randomly. Introduce the probability model for X the number of correct answers. Show your work by using formula and calculate the probability that this student answers to exactly 6 questions correctly. Calculate the probability that this student answer to more than 20 questions wrong. Round the answers to 3 decimal places.

Q: A quick quiz consists of a multiple-choice question with 3 possible answers followed by a…

A: The objective of this question is to find the probability that both responses are correct when two…

Q: The probability that a bachelor's degree recipient in 2006 majored in biomedical science is 23 Find…

A: Let E denote the probability of occurring an event. Let EC denote the compliment to the probability…

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a true/false…

A: Given dataMultiple choice questions with 5 possible answers followed by a true and false5 possible…

Q: eport the answer as a percent rounded to two decimal place accuracy. You need not enter the "%"…

A: Let us assume that one out of the four possible answers, is only correct for both questions…

Q: There are 7 male students and 22 female students in a class. If you choose 2 students at random,…

A: We have given that 2 Number of Male students =7 Number of female students =22 Total possible cases =…

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a…

A: Given, A quick quiz consists of a multiple choice question with 5 possible answers followed by a…

Q: The lacrosse team has a 55% chance of winning its upcoming games. Find the probability of them…

A:

Q: A bag contains 9 red chips, 7 blue chips, and 8 green chips. Bobby selects two chips from the bag…

A:

Q: If the probability that the Yankees will win a baseball game is 60%, find the probability that the…

A: The probability that Yankees will win a baseball game is 60%, that is PWinning=0.60.

Q: A test consists of 10 questions.  The probability of guessing a correct answer is 0.2 and to pass…

A: Given sample size(n)=10

Q: A jar contains 4 pennies, 3 nickels and 6 dimes. A child selects 2 coins at random without…

A: 4 pennies 3 nickels 6 dimes ______________ 13 total coins   select 2 coins at random without…

Q: There are 6 male students and 21 female students in a class. If you choose 2 students at random,…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: You buy a laptop and paid $850. The probability of it breaking in the warranty period is 4% and the…

A: Introduction: Probability is a discipline of mathematics concerned with numerical explanations of…

Q: Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots,…

A: Given : p = 0.79 q = 1 - p = 1 - 0.79 = 0.21 n = 12 we have find P(x = 8) here, x follow a binomial…

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a…

A: There are five options to a multiple choice ques. The probability of selecting one correct answer is…

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

A:

Q: cords show that the average number of defects per bolt of cloth is 10.4. Find the probability of at…

A: Let X be the random variable from Poisson distribution with average (λ) = 10.4 Then,  P(X≥4) = ?

Q: The probability that it will rain in a city is 0.1. Find the probability that it will rain on a…

A: Given data: The probability that it will rain in a city is P(R)=0.1. The expression for the…

Q: A student takes an exam containing 19 multiple-choice questions. Each question has 5 choices. If the…

A: Given data: The total numbers of questions are n=19. The number of choices is c=5. The expression…

Q: Find the probability of flipping tails on a fair coin. List the answer as a decimal?

A: Probability = no. Of favourable events/ no. Of total events

Q: A quick quiz consists of a multiple-choice question with 3 possible answers followed by a…

A: Given that the quiz contains multiple-choice question with 3 possible answers followed by…

Q: Harry tosses a nickel 4 times. The probability that he gets at least as many heads as tails

A: Harry tosses a nickel 4 times The probability that he gets at least as many heads as tails :

Q: A jar contains 3 red, 2 white, and 5 blue marbles. What is the probability of selecting two marbles…

A:

Q: Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots,…

A:

Q: steps pl

A: The total number of balls are 4 where, 1 green ball. 1 red ball. 1 yellow ball. 1 white ball. It…