Based on a smartphone​ survey, assume that 60% of adults with smartphones use them in theaters. In a separate survey of 226 adults with​ smartphones, it is found that 120 use them in theaters. A) If the 60% rate is​ correct, find the probability of getting 120 or fewer smartphone owners who use them in theaters.   B) Is the result of 120 significantly​ low?

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

A: Binomial Distribution :  The binomial probability is a type of discrete probability distribution…

Q: Based on a smartphone survey, assume that 49% of adults with smartphones use them in theaters. In a…

A: A)

Q: Assume that when adults with smartphones are randomly​ selected, 59% use them in meetings or…

A: Given, p=0.59 and n=11 Let X be the random number which denotes the number of adults using…

Q: According to a recent study, 14% of U.S. drivers are uninsured. A random sample of seven drivers was…

A:

Q: Based on a smartphone survey, assume that 45% of adults with smartphones use them in theaters. In a…

A: Given: It is given that 45% of adults with smartphones use them in theaters thus, Thus, the mean…

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

A: Given that n =15 , P =0.45 Using binomial distribution Find P ( x <3 ) =?

Q: The quality of computer disks is measured by the number of missing pulses. For a certain brand of…

A:

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

A: According to the provided information, we have P(Adults with smartphones use them in meetings or…

Q: According to the 2013 March Supplement Survey, 22.3% of U.S. households are in the Midwest. In…

A: Given the 2013 March Supplement Survey, 22.3% of U.S. households are in the Midwest. In addition,…

Q: Based on a smartphone​ survey, assume that 57​% of adults with smartphones use them in theaters. In…

A: given  p = 0.57 n=216 mean =np = 216*.057 =123.12 variance = npq = 216*0.57*0.43 =52.9416 standard…

Q: A study showed that 64.5​% of occupants involved in a fatal car crash wore seat belts. Of those in…

A: Solution: Let A be the event that  occupants involved in a fatal car crash wore seat belts. P( A)=…

Q: According to a national​ study, 32​% of taxpayers used computer software to do their taxes for a…

A: From the given information, 32​% of taxpayers used computer software to do their taxes for a certain…

Q: Assume that when adults with smartphones are randomly​ selected, 59​% use them in meetings or…

A:

Q: In a survey of 1143 people, 754 people said they voted in a recent presidential election. Voting…

A: Given : n=1143 , p=0.63 Here , we the normal approximation  Now , We want to find the P(X≥754)

Q: In a survey of 1039 people, 750 people said they voted in a recent presidential election. Voting…

A: Solution: Let X be the number of eligible voters actually did vote and n be the sample of people.…

Q: In a survey of 1485 people, 973 people said they voted in a recent presidential election. Voting…

A:

Q: Based on a smartphone​ survey, assume that 48​% of adults with smartphones use them in theaters. In…

A:

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: Based on a smartphone survey, assume that 56% of adults with smartphones use them in theaters. In a…

A: Given information- We have given a problem of binomial distribution. We have given that 56% of…

Q: the 43​% rate is​ correct, find the probability of getting 93 or fewer smartphone owners who use…

A: Given Data : sample size,n= 261 probability of success,p= 0.43

Q: A survey of 127 consumers found that 81 had a tablet computer, 70 had a smartphone and 29 had both a…

A: Given  Total number of consumers for survey n(U) = 127 Number of consumers having tablet n(T) = 81…

Q: Based on a poll , among adults who regret getting tattoos , 25 % say that they were to0 young when…

A:

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

A:

Q: In a survey of 1482 people, 929 people said they voted in a recent presidential election. Voting…

A: It is given that the sample size n is 1,482 and x is 929.

Q: Based on a smartphone​ survey, assume that 41​% of adults with smartphones use them in theaters. In…

A: See the handwritten solution

Q: The quality of computer disks is measured by the number of missing pulses. Fora certain brand of…

A: Binomial distribution: Consider a random experiment involving n independent trials, such that the…

Q: Based on a smartphone​ survey, assume that   42​% of adults with smartphones use them in theaters.…

A:

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

A: The binomial distribution function is: PX=x=Cxnpx1-pn-xwhere,n=number of trials,x=number of success,…

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

A: Consider X be a random variable which follows binomial distribution indicates the smartphone users…

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

A: According to the provided information, p=0.43 n=10

Q: If 30 percent of all accepted applicants to BCC will not take up their acceptance, determine the…

A: Given,n=120p=0.30np=120×0.30=36≥5nq=120×1-0.30=84≥5we can use normal…

Q: In a recent survey of 619 Salinas residents, 437 stated they experienced significant traffic delays…

A: Given: Total number of Salinas  residents = 619 The number of residents who experienced delays = 437…

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

A:

Q: Based on a smartphone survey, assume that 45% of adults with smartphones use them in theaters. In a…

A: Continuity correction factor table: If   P(X=n) use   P(n – 0.5 < X < n + 0.5)If   P(X > n)…

Q: in one town, 70% of sdultd have ehalth insurance. What is the probability that 3 adults selected at…

A:

Q: In a study done in my chicken coop, 82% of my birds enjoy eating earwigs. Choose 7 birds at…

A: Let X denote the number birds enjoy eating earwigs. Then X follows a Binomial distribution with n=7…

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

A: Given: n=12 p = 0.57 x ~ Bin(12, 0.57)   Find the probability that x is less than 5.

Q: The Behbud association of Pakistan reported that 10% of shirts sold in Pakistan are black shirts…

A:

Q: Based on a smartphone survey, assume that 43% of adults with smartphones use them in theaters. In a…

A:

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

A:

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

A:

Q: Based on a Comcast​ survey, there is a 0.8 probability that a randomly selected adult will watch​…

A:

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

A:

Q: Based on a smartphone​ survey, assume that 43​% of adults with smartphones use them in theaters. In…

A: Given : p = 0.43 n = 258 x = 110 p^ = 110258 p^ = 0.4264 a. PX≤110 = Pp≤0.4264 PX≤110 =…

Q: Based on a smartphone survey, assume that 47 percent of adults with smartphones use them in…

A:

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

A: Introduction to binomial distribution: Consider a random experiment involving n independent trials,…

Q: Assume that when adults with smartphones are randomly​ selected, 43% 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 survey of 1348 ​people, 872 people said they voted in a recent presidential election. Voting…

A: Step 1: Given: n = 1348 p = 62% = 0.62 ∴ q = 1-p = 1-0.62 = 0.38 Thus, we have, Mean = np =…

Q: A market research firm conducts telephone surveys with a 40% historical response rate. What is the…

A:

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

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.