Assume that random guesses are made for 8 ​multiple-choice questions on a test with 2 choices for each​ question, so that there are n=8 ​trials, each with probability of success​ (correct) given by pequals=0.50 Find the probability of no correct answers.

Q: Find the probability a randomly selected z-score is more than -1.31. Round your result to 4 decim.…

A: Probability that a randomly selected z score is more than -1.31  P(Z>-1.31)  The normal…

Q: Supposę that 35% of all voters prefer Candidate A. If 8 people are chosen at random for a poll, what…

A: The binomial random variable is defined as the number of success given n number of trials, with the…

Q: Assume that when human resource managers are randomly selected, 48% say job applicants should follow…

A:

Q: Assume that when adults with smartphones are randomly selected, 48% use them in meetings or classes.…

A: Let "X" be the adults who use their smartphone in meetings or classes. I will use excel formula…

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given, P(Adults using smart phones in meetings or classes)= p = 54% = 0.54 Sample size n = 5 exactly…

Q: Assume that when adults with smartphones are randomly selected, 62% use them in meetings or classes.…

A: From the provided information, 62% of the adults uses smartphones in meeting or classes that is p =…

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 when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

A: Let "X" be adults with smartphones who use them in meetings or classes. Use compliment rule, I…

Q: Assume that guesses are made for 2 questions on a medical admissions test such that the probability…

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 when adults with smartphones are randomly​ selected, 64% use them in meetings or…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: Answers must be in 4 decimals If a letter is selected at random from the Alphabet, find the…

A: Solution

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A: Solution: Let X be the number of adults use their smartphones in meetings or classes and n be the…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 53​% use them in meetings or…

A: Given that, 53​% use them in meetings or classes P=0.53 N=10

Q: Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes.…

A: Givensample size(n)=12p=0.51Let "x" be the adults uses their smartphones in meetings or…

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 when adults with smartphones are randomly​ selected, 47​% use them in meetings or…

A: Given that  Sample size (n) = 9 If adults are selected 47% use them in meetings or classes. P=47% =…

Q: Assume that when adults with smartphones are randomly​ selected, 39 ​% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: Given: About 41% of adults use their smartphones in meetings or classes. 15 smartphone users are…

Q: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

A:

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 seven multiple choice questions on an SAT​ test, so that…

A: We have to find probability.

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Introduction: Denote X as the random variable representing the number of adult smartphone users who…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Given : Proportion of adults use their smartphones in meeting or classes  (p) = 0.55 9 adults…

Q: Assume that when adults with smartphones are randomly selected, 64% use them in meetings or classes.…

A: Given, sample size = n = 8 Probability = p = 64% = 0.64 Number of smartphones users use their…

Q: Assume that when adults with smartphones are randomly selected, 35% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 35% use them in meetings or classes.…

A: Note: Since you have asked multiple question, we will solve the first question for you according to…

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

A: Given: Number of samples (n) = 7 Probability of success (p) = 0.25 Formula:

Q: Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes.…

A: Given that  n=12 , p=51%=0.51 , q=1-p=1-0.51=0.49 X~Binomial(n=12,p=0.51) Probability mass function…

Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes.…

A: Let "X" be the adults who use their smartphone in meeting or classes. I will use excel formula…

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

A: Given: n = 7 p = 0.45 Find the indicated probability that

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: Probability that an adult uses smartphone for meetings or classes is p = 41% = 0.41 Let X be a…

Q: Assume that when adults with smartphones are randomly selected, 63% use them in meetings or classes.…

A: According to the given information, we have 63% use them in meetings or classes. Sample size, n = 8

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A: Let "X" be the adults who use their smartphones in meetings or classes. I will use excel formula…

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

A:

Q: Assume that when adults with smartphones are randomly selected, 48% use them in meetings or classes.…

A: Let the R.V X denotes the number of students use their smart phones in meetings or classes and it…

Q: Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 61% use them in meetings or classes.…

A: Given that, Probability,  p = 61% = 0.61 Sample size = 5

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

A: p=43%=0.43 n=5 X~Binomial(n=5,p=0.43) Find P(x=3)

Q: Assume that when adults with smartphones are randomly selected,56​% use them in meetings or classes.…

A: From the provided information, 56​% of adults use smartphones in meetings or classes that is p =…

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: The probability that Mr. Johnson goes for an evening walk on any given day during the winter is…

A: Formula : E(X) = np'

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

A: We have given that  Sample size n = 7 Success of probability is = 0.56 X~binomial ( n , p)…

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

A:

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.