A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly? O A) 0.764 O B) 0.00800 O C) 0.236 D) 0.283

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A: According to the given information, we haveThe grades and gender are summarized.

Q: During the grand opening of an electronics store, any customer has a 9% chance of winning a free…

A: From the information, any customer has a 9% chance of winning a free laptop .

Q: A quick quiz consists of 55 multiple choice problems, each of which has 44 answers, only one of…

A: We know : A quick quiz consists of 55 multiple choice problems, each of which has 44 answers, only…

Q: A test was given to a group of students. The grades and gender are summarized below A BC Total Male…

A: The number of students got B grade is 23. The number of students is female and got grade B is 6.

Q: There are twenty multiple-choice question on exam, each having responses a, b, c, d. Suppose that a…

A: Given that, there are 20 multiple-choice questions. n=20 The probability of success = 80% =0.80…

Q: In the multiple choice experiment with four possible choices, what is the probability that the test…

A:

Q: suppose that Carlos is taking a multiple-choice test where there are 5 answer choices for each…

A:

Q: A multiple-choice quiz has 15 questions, each with 4 possible answers of which only one is the…

A: Given,n=15p=14=0.25q=34=0.75Let X=no.of correct answersX~Binomial(n=15 , p=0.25)P(X=x)=Cx…

Q: A multiple choice exam has 10 questions, each with five possible answers, only one of which is…

A: Let us use the binomial expression, the formula is ∑k=0nCn,kpk~pn-k Here n=10…

Q: In a multiple choice test, each question is to be answered by selecting 1 out 5 choices, of which…

A: Formula : Binomial distribution is given by

Q: A modified roulette wheel has 32 slota. ONE Slot is 0, another is 00, and the otheres are numbered 1…

A: 0 and 00 are neither odd nor even. In 1 through 30, there are 15 even numbers. So number of chances…

Q: Which statement is TRUE? The probability of choosing a face card (K/J/Q) is 9/52 Rolling a die twice…

A: As per given by the question, There are four statement and all four statement are belongs from…

Q: A test was given to a group of students. The grades and gender are summarized below A Total Male 9.…

A: Given that  The number of students got B grade  (B) = 16 The total number of female students  (F) =…

Q: If two dice are rolled one time, find the probability of getting a sum less than 9. O 10/18 13/18…

A:

Q: In a multiple-choice test, each question is to be answered by selecting 1 out of 3 choices of which…

A:

Q: In a Statistics test of 20 multiple choice questions with 5 choices with one correct answer each.…

A:

Q: In a test of four questions with five choices each, if all questions are randomly marked, what is…

A:

Q: A test consists of ten multiple choice questions each with five possible answers, of which only one…

A: Total number of questions=10 number of possible answers=5 Probability of guessing correct answer for…

Q: Won't vote 25 41 Marion Marian Undecided Female Male 84 31 33 247 60 69 What is the chance that a…

A: I solved exactly first three subparts because of bartleby policy if you want more please uplode…

Q: A test was given to a group of students. The grades and gender are summarized below В Total Male 9.…

A: we use the formula P(A|B) = P( A n B ) / P(B)

Q: A test was given to a group of students. The grades and gender are summarized below Total Male 8 11…

A:

Q: In a computer instant messaging survey, respondents were asked someone is randomly selected, what…

A: In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt.…

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Q: test has rwo mulltiple choice questions, each with five choices. What is the probability of guessing…

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Q: A test was given to a group of students. The grades and gender are summarized below A В C Total Male…

A:

Q: Frank surveyed 220 students to see which sports they like, here is the information that Frank got:…

A: Given that ; n = 220 By using basic probability venn diagram solve this problem.  Note ; According…

Q: On a multiple-choice test, each question has 5 answers, only one of which is correct. A student…

A: The number of questions answered are 3. The number of answer are 5.

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A: Given: The number of choices for each MCQ question is c. The probability of knowing the answer is p.…

Q: Beth is taking an eleven​-question ​multiple-choice test for which each question has three answer​…

A: Introduction: In a fair die, there are 6 possible outcomes, 1, 2, ..., 6, all of which are equally…

Q: if there are 28 cards in the box, 16 white and 12 black, the probability of drawing 6 white cards or…

A:

Q: On a six-question multiple-choice test there are five possible answers for each question, of which…

A: Introduction: Each question has 5 possible answers or choices, out of which exactly 1 is the correct…

Q: At UWI-ROYTEC, 250 students were surveyed and the information collected is illustrated in the Venn…

A:

Q: A multiple-choice test consists of eight questions and three answers to each question (of which only…

A:

Q: Edward has to take a sixsix​-question ​multiple-choice quiz in his sociology class. Each question…

A: a.The probability that Edward will answer all the six questions correctly is,

Q: A quick quiz consists of 5 multiple choice problems, each of which has 4 answers, only one of which…

A: We want to find the  (A) probability that all 5 are incorrect answer. (B) probability that all 5 are…

Q: A test has three parts. Part A consists of six true-false questions, part B consists of five…

A:

Q: A person is taking a 5​-question ​multiple-choice test for which each question has three answer​…

A: P(Correct ) = 13

Q: In the multiple choice experiment with four possible choices, what is the probability that the test…

A: In MCQ, there are four choices for an answer.

Q: If you make random guesses for 20 multiple choice test questions each with four possible answers,…

A: The random variable X is defined as the numbers of correct answers. There are four answer choices…

Q: The table shows the books in Ana's bookcase. Find the probability of randomly selecting a mystery…

A: 0.70

Q: 100 people were asked, “ do you favor the death penalty?” Of the 33 that answered “yes” to the…

A: Given data 100 people were asked  do you favor the death penalty?

Q: A city planner surveyed 155 residents. For each, the planner recorded whether the resident owns a…

A: Given data,   Alone Not Alone Total Car 31 21 52 No Car 33 70 103 Total 64 91 155

Q: A multiple-choice examination has 11 questions, each with five possible answers, only one of which…

A:

Q: A test was given to a group of students. The grades and gender are summarized below A В C Total Male…

A: According to the provided information,

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A:

Q: In an 8 question multiple-choice test, each question has 5 choices and only one of those choices is…

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Q: A test was given to a group of students. The grades and gender are summarized below C Total Male 16…

A: Let Gender = X and Grades = Y Given data        Grades Y         A B C f(X)   Male 16 13 14…

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A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.