There is a probability of 0.93 that a visitor to a website will bounce (leave the website without clicking on any links). What is the probability that at least 10 of the next 12 visitors to the website will bounce?

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

A: Let x follows binomial distribution with parameters n = 2 and p = 0.54   The pdf of binomial…

Q: Last year, 1,460 calculators were returned to the manufacturer. If 83,000 were produced, assign a…

A: Given: Total number of calculators produced=83,000 Number of calculators returned=1460

Q: Suppose the average number of zebra seen on a 2-day safari is 5. What is the probability that…

A: Given that the average number of zebra seen on a 2-day safari is 5. So, the average number of zebra…

Q: Assume that when adults with smartphones are randomly​ selected, 37​% use them in meetings or…

A: We have given that,  Probability (p) = 37% = 0.37 . n = 9 . And x=2 .

Q: An office receives 20 faxed orders every two hours. What is the probability that it will receive 8…

A: Given: Number of order every two hours = 20 So, number of orders every hour = 202=10 Let X be the…

Q: A card is selected at random from an ordinary deck and replaced. Find the probability that the first…

A:

Q: An online quiz has 10 True or False questions. What is the probability that a student got exactly…

A:

Q: If 50 of 250 people contacted make a donation to the city symphony, the probability of outcome of…

A:

Q: Suppose that voters arrive at a polling station at the rate of 120 per hour. Find the probability…

A: Given: The probability having 200 voters that will arrive within two hours of each other.  Hence,…

Q: A coin is tossed 6 times. Find the probability that at least three are tails.

A: Introduction:Since nothing is mentioned, we can assume that the coin is fair, so that the…

Q: A true-false quiz has 7 questions. A student makes random guesses on each question. What is the…

A: Given Information: A true-false quiz has 7 questions. A student makes random guesses on each…

Q: Suppose a batsman can hit the ball 50% of the time. If the batsman is given 3 attempts at hitting…

A:

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

A:

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

Q: go Padres) had a life- that he will get exac

A: The lifetime batting average of Tony Gwynn is 0.347. It is given that batting is done 5 times in any…

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

A: Let us assume X= the number of persons who uses smartphones in meetings or classes n= number of…

Q: what is the probability to get 3 tails and 1 head.

A:

Q: If a baseball player has a batting average of 0.275​, what is the probability that the player will…

A: Givensample size(n)=4p=0.275p+q=1q=1-p=0.725Let x be a random variablex~Binomial (n,p)Accoding to…

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

A: As each adult has two options "To use smartphones in meetings or classes" or "Not to use smartphones…

Q: Find the probability of 62 or more participants believing life on other planets is plausible

A: From the original problem, It is given that the number of observations are independent with…

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: A sales firm receives, on average, 3 calls per hour on its toll-free number. For any given hour,…

A:

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

A:

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

A: Given Information: 55% of adults use their smartphones in meetings or classes. i.e., p=0.55 If n=11…

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

A:

Q: On average there are 3 leaks for every 100 miles of a pipeline. What is the probability that a…

A: On average there are 3 leaks for every 100 miles of a pipeline

Q: If one card is drawn at random from a standard 52 card deck, find the probability that the card is…

A: It is given that the one card is drawn at random from the pack of 52 cards.

Q: 8 people are taking a driving test. If the probability of passing the test is 0.75. What is the…

A:

Q: Suppose a batsman can hit the ball 50% of the time. Assume that the batsman has seen 6 balls and hit…

A:

Q: find the probability that exactly 22 of them use their smartphones in meetings or classes.

A: It is given that the number of observations are independent with probability of success p = 42% =…

Q: A box contains 30 calculators of which 7 is defective. If three calculators are selected without…

A:

Q: An airline estimates that 6% of people booked on their flights do not show up. If the airline books…

A: Let X be the random variable from binomial distribution with probability of will not show up (q)= 6%…

Q: A 200-page book was opened randomly. What is the probability that you opened to page 52 or a page…

A: Given :                      Number of ways choosing a page from 200 pages = 200

Q: coin is tossed 6 times. Find the probability of getting at least 1 tail.

A:

Q: If the probability of being hospitalized during a year is 0.25. Find the probability that no one is…

A: X has binomial distribution. X~binomial(n,p)n=3p=0.25probability mass function of X;…

Q: An airplane has 100 seats for passengers. Assume that the probability that a person holding a ticket…

A: Let X be the number of persons holding a ticket appears for the flight.From the given…

Q: the probability an airplane arrives on time 80% of the time.Out of ten flights, what is the…

A: Given that  Probability an airplane arrives on time is 80%   P =0.80 (1-P) = 1-0.80 = 0.20 Sample…

Q: A single die is rolled eight times. Find the probability that 5 appears at most three times.

A: It is given that a single die rolled 8 times. That is probability of getting a 5 on each trial is…

Q: A tennis player makes a successful first serve 30% of the time. If she serves 33 times, what is the…

A: Solution: Let X be the number of first serves and n be the number of times she serves. From the…

Q: Assume that a survey of 200 randomly selected people showed that 105 will vote in the 2020 General…

A:

Q: A card is randomly selected from a deck of an ordinary cards.what is the probability that the card…

A: Given: number of cards(n)=52number of spades cards (s)=13Number of less than 5 (y )=16…