Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 4 of them use their smartphones in meetings or classes. The probability is . (Round to four decimal places as needed.) Enter your answer in the answer box,

Q: At TCNJ, 35% of the engineering majors belong to ethnic minorities. If 6 students are selected at…

A: Given,n=6p=0.35X=no.of students belong to ethnic minorityX~Binomial (n=6 , p=0.35)P(X=x)=nx pxqn-x…

Q: Assume that 8 women and 6 men work in a department at a large company, a committee of 4 people from…

A:

Q: Use the data in the following table, which shows the results of a survey of 1,998 gamers about their…

A: The number of participants is between 13-24 is 113+169=282.

Q: In a fundraising event, 100 raffle tickets are sold, with 10 of them being winning tickets. If you…

A:

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: The leading brand of powdered milk in the Philippines has a market share of 45%. A sample of 14…

A:

Q: Use the data given in the table below to compute the probability that a randomly chosen voter from…

A: we are given a table: we have to find the probability that a randomly chosen voter from the survey…

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: 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: In a large population, 67 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given: Let X be the number of people has been vaccinated.   n=5 and p=0.67 X ~ B (n=5, p=0.67)

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: Given: The probability values from the given information are shown below: Gender Contribute (C)…

Q: In a large population, 71 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given p=0.71, n=4  X ~ Binomial(n=4 ,p=0.71)

Q: A financial services committee had 60 members, of which 10 were women. If 9 members are selected at…

A: a. The probability that 7 men and 2 women are selected is 0.3041 and it is obtained below: From the…

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: A group of people were asked if Marilyn Monroe had an affair with JFK. 265 responded "Yes", and 327…

A: Total number of respondents is:

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

A:

Q: In a large population, 51 % of the people have been vaccinated. If 5 people are randomly selected,…

A: It is given that the probability a randomly selected person is vaccinated is 0.51. Assuming that for…

Q: In a large population, 51 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: The table shows the results of a survey in which 250 male and 250 female workers.

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: A parking enforcement officer has a quota of 5 citations to issue by the end of the shift. Assume…

A: Number of citation to be issued at end is 5. The probability of given car has a violation is…

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: Givenp=0.68n=5Let x be no.of people vaccinatedx~Binomial(n=5,p=0.68)P(X=x)=(nx)×px×(1-p)n-x   ;…

Q: An aerospace company tests a new missile prototype. The probability of a hit is, in any test, 0.95.…

A: Ans - Given, An aerospace company tests a new missile prototype. The probability of a hit is, in any…

Q: Assume that 20% of all watches with Rolex on the dial are counterfeit. Also assume that 95% of…

A: Formula used : P(A|B) = P(A∩B)P(B)

Q: According to the US Census, 34% of the population of Kentucky have a bachelor's degree or higher. If…

A: Apply Bernoulli's trials. Proceed as shown below...

Q: A batch of industrial coils is known to have 13 defective coils and 74 good ones. It was shipped out…

A:

Q: In a large population, 71 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Solution: Let X be the number of people have been vaccinated and n be the sample number of people.…

Q: During a Kansas tornado season, the probability a local grocery store experiences power outage on…

A: (d) On at least one day: P(At least 1 day)= 1- P(None of days) --(1) So 1st we need to find P(None…

Q: A telephone switch board in a firm receives on a average 90 calls per hour. Find the probability…

A: X~ Poisson (lemda=90) Pd.f. of X is given by, p(x)= e-lemda(lemda)x/X!

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: P(WORKER CONTRIBUTES /WORK IS MALE )=P(WORKER CONTRIBUTE )/PMALE=0.468 The probability that a…

Q: : The Betropolis High School Olympiad distributes 50 medals to boys and girls as follows.   Gold…

A:

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: It has been found from experience that an average of six customers use the drive‐ through facility…

A:

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

A:

Q: (A) Find the probability that at least 1 ball was red, given that the first ball was replaced before…

A: A box contains 4 red and 2 white balls.  (A)  Find the probability that at least 1 ball was red,…

Q: Use the following table to find the probability that a randomly chosen member of the Student…

A: In this problem we are given a 5×2 contingency table on type of students on the Student Government…

Q: In a large population, 58% of the people have been vaccinated. If 3 people are randomly selected,…

A: Given, 58% of the people have been vaccinated. that is

Q: Assume that when adults with smartphones are randomly​ selected, 65% use them in meetings or…

A: Define the random variable x as the number of adults using smartphones in meetings or classes. Here,…

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: P(vaccinated) = 68% = 0.68Sample size = 5

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: A group of people were asked if life exists elsewhere in the galaxy. 209 responded "Yes", and 227…

A: Number of people who responded "YES" = 209Number of people who responded "NO" = 227

Q: In a large population, 60% of the people have been vaccinated. If 5 people are randomly selected,…

A: Probability that the people have been vaccinated (p) = 60% = 0.60. Number of people (n) = 5. Let…

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

A:

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 10. Find the…

A: Given that  The average number of field mice per acre in a 5-acre wheat field is estimated to be 10.…

Q: What is the probability that a registered voter voted in the election? About About 3,182,436 voted…

A:

Q: In a large population, 53% of the people have been vaccinated. If 4 people are randomly selected,…

A: Given data The Probability of people being vaccinated is, p = 0.53 The No of people randomly…

Q: A recent survey of 2500 people who own tablets showed that 1,654 use the device to play games, 1,001…

A: Let G be the event that a person uses tablet for playing games and E be the event that a person uses…

Q: In a large population, 69% of the people have been vaccinated. If 3 people are randomly selected,…

A: Given, 69% of the people have been vaccinated => p = 0.69 3 people are randomly selected => n…

Q: Based on a​ survey, assume that 37​% of consumers are comfortable having drones deliver their…

A: Given Information: 37​% of consumers are comfortable having drones deliver their purchases.