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=0.5. Find the indicated probability for the number of correct answers.   Find the probability that the number x of correct answers is fewer than 4.   P(X<4)=   ive been trying to figure this out for over an hour

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

A: Given: X follows Binomial distribution with parameters n=6 , p=0.6 Binomial probability formula…

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 eight multiple choice questions on an SAT test, so that…

A: Given, There are 8 questions with probability of correct guess answer is 0.2. Each question is…

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

A: It is given that p =0.45 and n = 8.

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 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: Guesses are made for for eight multiple choice questions  so that n =8 trials, each with a…

A: Let the random variable X denote the no of correct answers and it follows binomial distribution with…

Q: P(X<4) = (Round to four decimal places as needed.)

A: Let X is the number of correct answers. Here, the number of trials is n=9 and the probability of…

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 eight multiple choice questions on an SAT test, so that…

A:

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: The probability that you will receive a wrong number call this week is 0.1. The probability that you…

A: From the provided information, Let A represent the event that he will receive a wrong number call…

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: Find the probability that the number x of correct answers is fewer than 4.

A: Let p be the probability of correct answer. Given that p = 0.25 Let X represents the number of…

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

A: Given data;   A B C Total Male 18 11 8 37 Female 15 13 17 45 Total 33 24 25 82

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

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

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 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 eight multiple choice questions on an SAT test, so that…

A: Number of samples (n) = 8 Probability of success (p) = 0.65 I will excel formula "=BINOM.DIST(x,…

Q: Assume that random guesses are made for 2 multiple choice questions on a test with two choices for…

A: The question is about discrete probability distribution.Given :No. of multiple choice questions that…

Q: Assume that random guesses are made for 12 multiple choice questions on an SAT test, each with…

A:

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 8 ​multiple-choice questions on a test with 2 choices for…

A: GivenTotal number of questions = n = 8Total number of options = 2P(correct answer) = 0.5 Let X be…

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 eight 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. x n p Excel…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.