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 6 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed.) ***

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: If each of the letters in the word bookkeeper are written individually on one of ten pieces of…

A: The given word is “bookkeeper”.

Q: A group of people were asked if some psychics can help solve murder cases. 220 responded "yes", and…

A: Answer:- Given, Number of respondents who said "yes", n(Yes) = 220  Number of respondents who said…

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

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

Q: Assume that when adults with smartphones are randomly​ selected, 60% use them in meetings or…

A:

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: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

A:

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

A: Given: p=36%=0.36 n=8 According to binomial probability: PX=x=Cxnpx1-pn-x

Q: One card is selected at random from a standard deck of cards (52 cards in a deck). Determine the…

A: 1 card is drawn, what is the probability that, 1 card is 5 or 1 card is HEARTTotal number of ways of…

Q: A history class is comprised of 8 female and 6 male students. If the instructor of the class…

A:

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

A:

Q: A coin is tossed 100 times. Find the probability that there are  between 40 to 60 tails (inclusive).…

A: Given that, Let X represents the number of tails that follows binomial distribution with Number of…

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

A: Let X be the random variable from binomial distribution with probability (p) = 42% = 0.42 and sample…

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: The probability is (Round to four decimal places as needed.)

A: In this case, there are two possible outcomes for each trial, classified as a success (Use of…

Q: A history class is comprised of 10 female and 3 male students. If the instructor of the class…

A: Given that the information  Number of female students =10 Number of Male students=3 Total =17 we…

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, 47​% use them in meetings or…

A: given data P(use smartphone in meeting or class) = p = 0.47sample size (n) = 8x = no. of people use…

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

A: It is given that the random variable X i.e, smartphones in meetings or classes follows Binomial…

Q: Based on long experience, an airline found that about 4% of the people making reservations on a…

A: a. It is given that 4% of the people making a reservation do not show up. This indicates that the…

Q: at exactly 2 of them use their smartphones in meetings or classes.

A: Given that  39% of adults using smartphones in meetings or classes. P= 0.39 Random sample size (n) =…

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

A: Obtain the probability that exactly 18 of them use their smart phones in meetings or classes.…

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

A:

Q: If 8 people are randomly selected, find the probability that no 2 of them have the same birthday.…

A: Given: Total people = 8 To find: The probability that 8 people have different birthday.

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

A:

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

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

A: We have to find given probability..

Q: ssume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: given data, p(use smartphones in meeting or classes)=p=0.45q=1-p=1-0.45=0.55n=8x= no. of smartphone…

Q: In a class of 27 students, 7 wear glasses. 3 students are picked at random. Find the probability…

A: 7 wear glasses20 not wear glasses______________________27 total students in class select 3 students…

Q: If 7 people are randomly​ selected, find the probability that no 2 of them have the same birthday.…

A: Formula to calculate probability is given by,  Probability = (Favourable outcomes/Total outcomes)…

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: 9 people are randomly​ selected, find the probability that no 2 of them have the same birthday.…

A: Given If 9 people are randomly​ selected, find the probability that no 2 of them have the same…

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

A: Given that adults with smartphones are randomly​ selected, 44% use them in meetings or classes. We…

Q: A history class is comprised of s female and 6 male students. If the instructor of the class…

A: Given: Number of females = 8 Number of males = 6 Total number of students = 8+6…

Q: Assume That when adults with smart phones are randomly selected, 52% use them in meetings or…

A: Solution: Let X be the number of number of adult smart phone users use their smart phones in meeting…

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

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: The probability is (Round to four decimal places as needed.)

A: It is given that the number of observations are independent with probability of success p = 45% =…