A quiz consists of 10 multiple choice questions, each with 4 answer choices. If a student guesses on each question, what is the probability that he/she will answer at least 4 questions correctly?   A poll is given, showing 65% are opposed to a landfill expansion project. If 10 people are chosen at random, what is the probability that exactly 7 of them oppose the landfill expansion project? Round your answer to 4 places after the decimal point, if necessary.

Q: You took a 5-question multiple choice quiz with 4 choices for each question.  If you guess at random…

A: Given information- A student takes a multiple-choice test that has 5 questions. Each question has…

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: 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: A 7​-question ​multiple-choice quiz has 5 possible answers for each question. Only one of the 5…

A:

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: Given: Sample size, n = 446 32% of the opera tickets for tonight's show have been sold Proportion =…

Q: A student takes a 20-question multiple-choice test with 4 choices for each question. If the student…

A: The sample size n is 20.

Q: A poll showed that 50.9% of Americans say they believe that life exists elsewhere in the galaxy.…

A: The given percentage of Americans who are said to believe that life exists elsewhere in the galaxy…

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: A student takes a 20-question multiple-choice test with 4 choices for each question. If the student…

A: The sample size n is 20.

Q: A student takes a 10-question multiple choice exam with three choices for each question and guesses…

A: Givensample size(n)=10p=13                     (since 1 correct choice from 3 choices)Let "x" be the…

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: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: In a recent survey, 303 out of 350 residents of Salem, MA said they are planning on passing candy…

A: here given ,  303 out of 350 residents of Salem, MA said they are planning on passing candy during…

Q: 8% of Dr. Williams patients end up with 20-30% vision or better. Find the probability that exactly 4…

A: Let the give data be probability of patients getting well = 0.98 The number of patients. n = 4

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: Suppose that 44% of people have dogs. If two people are randomly chosen, what is the probability…

A: It is given that, 44% of people have dogs. It means, probability that a people have dogs= p = 0.44…

Q: A poll showed that 50.9% of Americans say they believe that some psychics can help solve murder…

A:

Q: 68% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: We have to find given probability.

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: multiple-choice quiz has 10 questions, each will 4 possible answers. A student answers each…

A:

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: A student is writing a multiple choice test. Each question has 4 choices. If the test has 21…

A: Introduction: The binomial distribution is a discrete type probability distribution. It is a finite…

Q: You are hosting a party with 6 coworkers . Each coworker will be getting a beer as a drink. The…

A: It is given that the number of co-workers or friends is 6. The probability of any co-worker asks for…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

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

A:

Q: The probability that a 2014 Audi S7 will be stolen is .0156.   Find the odds against the theft of a…

A: From the provided information,The probability that a 2014 Audi S7 will be stolen is .0156 that is p…

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: The probability of having a child that is left handed is10%. If three children are randomlyselected,…

A: From the given information we want to find the probability that at least one child is left handed.

Q: A poll showed that 45% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given that P(belive that Marilyn Monroe had an affair with JFK)=45%=0.45

Q: On a 10 question multiple-choice test, where each question has 5 answers, what would be the…

A: Given,total no.of questions=10P(getting a correct option)=15P(getting a incorrect option)=45X=no.of…

Q: A group of people were asked if they had run a red light in the last year. 312 responded "yes", and…

A: The number of favorable outcomes is the number of people who responded "yes" (312), and the total…

Q: A multiple-choice test contains 20 questions with 4 choices for each answer. If a student guesses on…

A: Here there are 20 questions with 4 options each. So P(correct answer)=1/4=0.25, it is clear that…

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

A: