6​% of adults with smartphones use them in theaters. In a separate survey of 292 adults with​ smartphones, it is found that 113 use them in theaters. a. If the 46​% rate is​ correct, find the probability of getting 113 or fewer smartphone owners who use them in theaters.

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: The mean number of fires in an organized industrial district is one per week. If the records of 10…

A: The given data: Mean, λ=1  This follows Poisson distribution. PX=x=λxe-λx! Thus the probability that…

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 researcher knows that number of people having a rare gene is on average 0.5 per  1000 people. Find…

A: Given that  The number of people having a rare gene is on average per 1000 people = 0.5 The number…

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: Where E denotes the event and S denotes the sample space.

Q: A mail order company has a 11% success rate. If it mails advertisements to 515 people, find the…

A: Given Information: n=515p=11%=0.11To find the probability of getting less than 53 sales.

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: A real estate agent has 18 properties that she shows. She feels that there is a 40% chance of…

A: We have to find given probability.

Q: According to a recent survey, 5 out of 60 people who purchase pet insurance are women. If 7 pet…

A: According to a recent survey, 5 out of 60 people who purchase pet insurance are women. If 7 pet…

Q: Assume that when adults with smartphones are randomly selected 52% use them in meetings or classes.…

A:

Q: The probability of a student who wants to become a pilot to pass the written exam for private pilot…

A: We have to find given probability.

Q: A physics class has 40 students. Of​ these, 16 students are physics majors and 18 students are…

A: GivenTotal No. of students=40No.of physics majors=16No.of female =18No.of females and physics…

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: A survey of Indiana, PA residents finds that 68% like Bob's Sub, 83% like Culpepper's, and 56% like…

A: Let A be the event that the residents like Bob's Sub and B be the event that residents like…

Q: The probability that a student pilot passes the written test for a private pilot's license is 0.55.…

A: Probability distributions are of two types, discrete and continuous distributions. Binomial…

Q: One source approximates that 39% of Canadian nationals identify as Catholic, 73.4% of Mexican…

A: Given information: PC|Can=0.39. PC|Mex=0.734. PC|Ame=0.211 The event C indicates the selected people…

Q: A recent survey of 1090 U.S. adults selected at random showed that 685 consider the occupation of…

A: The question is about prop. Given : Randomly selected no. of adults ( n ) = 1090 No. of adults…

Q: When making random guesses on an 6 question quiz the probability of guessing correctly on any one…

A: Let p be the probability of guess the correct answer p=0.25 n=6  Let X be the number of correct…

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

A: Here, theoretically, if we consider using of smartphones during meetings or classes, when selected…

Q: 12 out of the 61 ads that ran during a past Super Bowl were for cars/trucks/SUVs.

A: Given that Total ads (n) = 61 Ads for cars/trucks/SUVs = 12  Ads for not cars/trucks/SUVs = 61-12…

Q: A phone company reports that 52 % of its customers subscribe to their high-speed internet service.…

A:

Q: Based on a poll, among adults who regret getting tattoos, 30 % say that they were too young when…

A:

Q: A real estate agent has 16 properties that she shows. She feels that there is a 50% chance of…

A: Given,n=16p=50%=0.5,m 1-p=1-0.5=0.5Compule the probability of selling less than…

Q: e the data in the following table, which summarizes results from 15 Pedestrian Intoxicated? Yes No…

A: Solution: The given table of data is

Q: A real estate agent has 17 properties that she shows. She feels that there is a 60% chance of…

A: The objective of this question is to find the probability of selling less than 6 properties in one…

Q: A real estate agent has 17 properties that she shows. She feels that there is a 60% chance of…

A: given data  sample size n = 17 P9selling property during a week) = p = 0.60 independent events x =…

Q: A recent survey of 1010 U.S. adults selected at random showed that 687 consider the occupation of…

A: Probability: Probability is the ratio of favourable outcomes to all other potential outcomes of an…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: A real estate agent has 1717 properties that she shows. She feels that there is a 60%60% chance of…

A: Step 1:Since, there is two possible outcomes one is chance of selling any one property during a week…

Q: A recent survey of 1010 U.S. adults selected at random showed that 685 consider the occupation of…

A: We have to find given probability that a U.S. adult selected at random thinks the occupation 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: There are 84 passengers on an airline. 32 are traveling first-class. 30 are males. 52 are either…

A:

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: Assuming that the probability of failure for a large number of manufactured CPU chipset is 0.25.…

A: Answer is  0.091

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: A study indicates that 70% of teenagers have have a tattoo. You randomly sample 9 teenagers. Find…

A: The information provided in the question are as follows :  Proportion of teenagers those have…

Q: n applicant is selected at random, what is the probability that he/she passes the academic…

A: Given:     Work Experience standards      yes  No  Total Academic Achievement Standards  yes…

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 drug test correctly gives a positive result 88 percent of the time. However, 3 percent of the…

A: Introduction: Denote X as the event that a person actually has one or more of the drugs in their…

Q: An earth-conscious clothing store offers a 15% discount if you bring in a bag full of old clothing…

A: From the given information, n=20 and p=0.69.