Assume that random guesses are made for 4 multiple-choice questions on a test with 5 choices for each question, so that there are n= 4 trials, each with probability of success (correct) given by p= 0.20. Find the probability of no correct answers. E Click on the icon to view the binomial probability table. The probability of no correct answers is. (Round to three decimal places as needed.)

Q: Based on a poll, 60% of adults believe in reincarnation. Assume that 5 adults are randomly selected,…

A: Given that  p=60%=0.60 , q=1-p=1-0.60=0.40 n=5 X~Binomial(n=5,p=0.60) Find P(x=4)

Q: In a large population, 58 % of the people have been vaccinated. If 4 people are randomly selected,…

A: p(people have been vaccinated)=0.58 Numeber of people (n)= 4 Let "X" be the people who has been…

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

A:

Q: A survey finds customers are charged incorrectly for 1 out of every 10 items. Suppose a customer…

A: Binomial distribution is given by

Q: Assume that random guesses are made for 2 multiple-choice questions on a test with 5 choices for…

A:

Q: A poll is given, showing 75% support Amazon building a warehouse in their community. If 10 people…

A: Given: Number of trials (n) = 10 Probability of supporting the project (success)  = p = 0.75 Here,…

Q: A really bad carton of 30 eggs contains 8 spoiled eggs. An unsuspecting chef picks 5 eggs at random…

A: Given,no.of spoiled eggs=8no.of unspoiled eggs=22Total no.of eggs=30

Q: In a survey of 1295 people, 905 people said they voted in a recent presidential election. Voting…

A: Given data in a survey of 1295 people 905 said that they voted voting records show that 67% of…

Q: Is it correct answer 476/653?

A: It is a fact of statistics . It is widely used .

Q: Assume that each of the n trials is independent and that p is the probability of success on a given…

A: Given data: n=20 x=2 p=1/5

Q: To avoid detection at customs, a traveler places 6 narcotic tablets in a bottle containing 9 vitamin…

A: Given N=15 Sample size is greater than 5%

Q: ased on a poll, 60% of adults believe in reincarnation. Assume that 5 adults are randomly selected,…

A: Given that, 60% of adults believe in reincarnation. Sample size, n = 5

Q: In a survey of 1382 people, 902 people said they voted in a recent presidential election. Voting…

A:

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: Obtain the probability that they both involved pedestrians that were intoxicated.   The probability…

Q: Suppose 90% of kids who visit a doctor have a fever, and 35% kids with a fever have sore throats.…

A: Independent Events:   Any two events A and B are said to independent if the occurrence of the event…

Q: Assume that when adults with smartphones are randomly​ selected, 5858​% use them in meetings or…

A: Given probability that an adult with smart phone use it in meeting or classes = p = 0.58.Total…

Q: A manufacturer estimates that 1.5% of his output of a small item is defective. Find the probability…

A: We have to find probability using exact bínomial distributaion.

Q: In a large population, 60 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: A national survey found that 42​% of adults ages​ 25-29 had only a cell phone and no landline.…

A:

Q: Assume that each of the n trials is independent and that p is the probability of success on a given…

A: The value of P(X=1) is obtained below:

Q: In a survey of 1104 people, 807 people said they voted in a recent presidential election. Voting…

A: We have given that  Sample size n=1104 ,success of probability p=70%=0.70

Q: The probability that a DVD player produced by VCA Television is defective is estimated to be 0.06. A…

A: Answer: Given that: p= 0.06 , n= 10 now will use Binomial probability…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the…

A: binomial distribution: probability of exactly x successes =p(X=x) =ncx px qn-x where n= number of…

Q: Find the indicated probability. Round to three decimal places. 33% of the computer science majors…

A: Givenp=0.33sample size(n)=10x~Binomial(n=10 , p=0.33)P(X=x)=(nx)×px×(1-p)n-x    ; x=0,1,...,n

Q: In a large population, 52 % of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: A national survey found that 42​% of adults ages​ 25-29 had only a cell phone and no landline.…

A: Given,n=5p=0.42X=no.of adults use cell phoneX~Binomial (n=5 , p=0.42)P(X=x)=5x 0.42x 1-0.425-x ;…

Q: Assume that random guesses are made for 4 multiple-choice questions on a test with 2 choices for…

A: Refer binomial probability, Lookup for n=4, p=0.50 corresponding to x=0 to find the probability.

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 random variable representing the number of correct answers given.

Q: Use the spinner below to find the probability of getting the following number after 1 spin. 12 1 10…

A: Total outcomes = 12                  (numbers from 1 to 12)& numbers which are multiple of 3 are…

Q: A shipment of 27 toys is returned if 7 are checked for flaws and at least 5 are found to have flaws.…

A: Given: Total number of toys in the shipment (N) = 27 Number of toys that have flaws in the shipment…

Q: Assume that each of the n trials is independent and that p is the probability of success on a given…

A: The value of P(X=2) is obtained below:

Q: Find the probability that a telephone call selected at random will last a. between 1 minute and 2…

A:

Q: Based on a​ survey, assume that 3131​% of consumers are comfortable having drones deliver their…

A: Based on the provided data, the probability of consumers comfortable with delivery by drones is 31%,…

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

A:

Q: Suppose 90% of kids who visit a doctor have a fever, and 25% of kids with a fever have sore throats.…

A: Let, A is the event that kids have a fever. B is the event that kids have sore throats. From the…

Q: In a survey of 1178 people, 888 people said they voted in a recent presidential election. Voting…

A: Given: n = 1178 p = 0.73 q = 1-p = 0.27 Solution: We can use Normal approximation to binomial…

Q: In a large population, 57% of the people have been vaccinated. If 5 people are randomly selected,…

A: Given p = 57% = 0.57 => q = 1 - p = 1 - 0.57 = 0.43 5 people are randomly selected => n = 5…

Q: Based on a​ poll, 50​% of adults believe in reincarnation. Assume that 4 adults are randomly​…

A: Given: Sample size (n) = 4 Probabilty of success (p) = 0.50 Probabilty of failure (q) =1-p=0.50 Let…

Q: In a survey of 1079 people, 687 people said they voted in a recent presidential election. Voting…

A: Normal approximation to the binomial: From the given information, sample size, n = 1079. The…

Q: Suppose that the New England Colonials baseball team is equally likely to win a game as not to win…

A:

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

A: Let "X" be adults who use their smartphones in meetings or classes.

Q: Assume that random guesses are made for 5 multiple-choice questions on a test with 2 choices for…

A:

Q: Based on a​ poll, 60​% of adults believe in reincarnation. Assume that 4 adults are randomly​…

A: Let x follows binomial distribution with parameters n = 4 and p = 0.60   The pdf of binomial…

Q: A group of people were asked if life exists elsewhere in the galaxy. 247 responded "Yes", and 432…

A:

Q: A factory produces candies, and 27% are blue. In the factory, the candies are randomly mixed…

A: Here we will use the concept of Binomial distribution  The PMF of the Binomial distribution is given…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the…

A:

Q: In a large population, 64 % of the people have been vaccinated. If 3 people are randomly selected,…

A:

Q: On any given day, the probability that Dina dozes off in class is 0.8. What is the probability that…

A: a)Givenp=1-0.8=0.2n=5x~Binomial(n=5,p=0.2)P(X=x)=(nx) px (1-p)n-x ; x=0,1......n

Q: In a survey of 1467 people, 980 people said they voted in a recent presidential election. Voting…

A: Let X be the number of person who actually did vote.The total number of people is 1467.The voting…

Q: Use the binomial probability distribution formula to compute the probability that out of 10 coin…

A: We have given that  n = 10 Probability of getting head (p) = 1/2 = 0.5 Here we use binomial…