Assume that random guesses are made for eight multiple choice questions on an SAT​ test, so that there are n=8 ​trials, each with probability of success​ (correct) given by p=0.25.Find the indicated probability for the number of correct answers.   Find the probability that the number x of correct answers is fewer than 4.

Q: Assume that random guesses are made for eight multiple choice questions on an sat exam so that there…

A: Indicated probability for the number of correct answers ( x denotes for correct answers) :

Q: Assume that random guesses are made for seven multiple-choice test questions, each with four…

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Q: Assume that random guesses are made for seven multiple choice questions on an SAT​ test, so that…

A: Given,n=9p=0.25X~Binomial(n=9 , p=0.25)P(X=x)=nxpxqn-x  ;  x=0,1,2,......n

Q: Assume that random guesses are made for nine multiple choice questions on an SAT​ test, so that…

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Q: Assume that random guesses are made for six multiple choice questions on an SAT​ test, so that there…

A: This will follow the Binomial distribution where n = 6, p = 0.3. The indicated probability for the…

Q: Assume that random guesses are made for 4 multiple-choice questions on a test with 5 choices for…

A: Introduction: Denote X as the number of correct answers on the test.

Q: Assume that random guesses are made for multiple choice questions on an SAT test, so that there are…

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Q: Assume that random guesses are made for eight multiple choice questions on an SAT test, so that…

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Q: Assume that random guesses are made for six multiple choice questions on an SAT test, so that there…

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Q: Assume that random guesses are made for six multiple choice questions on an SAT test, so that there…

A: Given: Number of trials n=6 Probability of success p=0.65

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

A: GivenProbability of success or guessing correct p = 0.5total number of questions or number of trails…

Q: Assume that random guesses are made for 5 ​multiple-choice questions on a test with 5 choices for…

A: Given Information: number of questions, n = 5 Probability of sucess for each questions, p = 0.20 To…

Q: Assume that random guesses are made for seven multiple choice questions on an SAT test, so that…

A: I will use excel formula "=BINOM.DIST(x, n, p, FALSE)" to find the probability.  You can even use…

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

A: Answer: Given that: p= 0.2 , n= 9 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: Assume that random guesses are 7 mutiple-choice questions on a test with 5 choices for each…

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Q: Assume that random guesses are made for 7 ​multiple-choice questions on a test with 5 choices for…

A: Obtain the probability of no correct answers. The probability of no correct answers is obtained…

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

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Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

A: From the provided information, Number of trial (n) = 9 Probability of success (p) = 0.6 X~B (n = 9,…

Q: Assume that random guesses are made for twelve multiple choice questions on an SAT test, so that…

A: From the provided information, Number of trials (n) = 12 Probability of success (p) = 0.45 The…

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

A: Answer: Given that: p= 0.6 , n= 9 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: Assume that random guesses are made for fifteen multiple-choice questions on an SAT test, each with…

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Q: Assume that random guesses are made for seven multiple choice questions on a SAT test, so that there…

A: Let "X" be the number of correct answers

Q: Assume that random guesses are made for eight multiple choice questions on an SAT​ test, so that…

A:

Q: Assume that random guesses are made for seven multiple choice questions on an SAT test, so that…

A: We have given that  Success of probability p = 0.5 Number of trials n=7 X~binomial ( n,p)

Q: Assume that random guesses are made for six multiple choice questions on an SAT​ test, so that there…

A: Givenn=6p=0.4x~Binomial(n=6,p=0.4)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,...,n

Q: Assume that random guesses are made for seven multiple choice questions on an SAT test, so that…

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Q: Assume that random guesses are made for seven multiple choice questions on an SAT​ test, so that…

A: It is given that X ~B(7,0.25).The PMF of binomial distribution is given by,

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

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Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

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Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

A: Obtain the probability that number of correct answers is fewer than 4. The probability that number…

Q: Assume that random guesses are made for seven multiple choice.questions on an SAT test, so that…

A: Given data,n=7p=0.3P(X<4)=?

Q: Assume that random guesses are made for eleven multiple choice questions on a medical admissions​…

A:

Q: Assume that random guesses are made for eight multiple choice questions on an SAT​ test, so that…

A: Let x follows binomial distribution with parameters n = 8 and p =0.4   The pdf of binomial…

Q: Assume that random guesses are made for seven multiple choice questions on a SAT test, so that there…

A: Given: n = 7 p = 0.35 x ~ Bin(7, 0.35) To calculate the indicated probability for the number of…

Q: Assume that random guesses are made for seven multiple choice questions on a medical…

A: It is given that assume random guesses are made for seven multiple choice questions on a medical…

Q: Assume that random guesses are made for thirteen multiple choice questions on a medical admissions​…

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n…

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

A: It is given that n =9 and p = 0.6.

Q: assume that random guesses are made for multiple choice questions on an sat test, so that there are…

A:

Q: assume that random guesses are made for 8 multiple choice questions on an SAT test, so that there…

A: From the provided information, Number of trials (n) = 8 Probability of success (p) = 0.65

Q: Assume that random guesses are made for six multiple choice questions on an SAT test, so that there…

A: Solution: Let X be the number of correct answers and n be the number of questions. From the given…

Q: Assume that random guesses are made for thirteen multiple choice questions on a medical admissions​…

A:

Q: Assume that random guesses are made for eight multiple choice questions on an SAT test, so that…

A:

Q: Assume that random guesses are made for six multiple choice questions on an SAT test, so that there…

A:

Q: Assume that random guesses are made for fifteen multiple choice questions on a medical admissions…

A: Assume that random guesses are made for fifteen multiple choice questions on a medical admissions…

Q: Assume that random guesses are made for ninemultiple choice questions on an SAT​ test, so that there…

A: Given datan = 9p= 0.4Applying Binomial theoremProbability of x success out of n trial is given by

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

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Q: Assume that random guesses are made for eight multiple choice questions on an SAT test, so that…

A: The random guesses are binomially distributed. The sample size is 8. The proportion value is 0.25. X…

Q: Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there…

A: From the given information, the number of guesses is made for multiple choice questions on an SAT…

Q: Assume that random guesses are made for seven multiple choice questions on an SAT test, so that…

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Q: Assume that random guesses are made for six multiple choice questions on an SAT test, so that there…

A: In question Given that, random guesses are made on SAT test for six multiple choice questions with 6…