Assume that when adults with smartphones are randomly​ selected, 55​%use them in meetings or classes. If 10 adult smartphone users are randomly​ selected, find the probability that at least 7 of them use their smartphones in meetings or classes

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

A: Given,n=5p=0.52Let X=no.of adults use their smartphonesin meetings or classes.X~Binomial(n=5 ,…

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

A: The probability that exactly 3 of them use their smart phones in meetings or classes is obtained…

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

A:

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

A: Given: p =0.46 n = 5 The formula of the binomial distribution  is, The probability that at least 3…

Q: A factory produces 50 cars a day. Out of the 50 cars, 2 of them will most likely have a problem with…

A: The total number of cars produced in a dayThe number of cars will mostly likely have a problem with…

Q: Assume that when adults with smartphones are randomly​ selected, 61​%use them in meetings or…

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Q: Assume that when adults with smartphones are randomly​ selected, 48​% use them in meetings or…

A:

Q: Assume that when human resource managers are randomly​ selected, 59​% say job applicants should…

A: Probability job applicants should follow up within two weeks(p)=0.59sample size(n)=8

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

A: Let X be the adults with smartphone X~B(n=10, p=0.51) P(X>=5)= ?

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 52% use them in meetings or classes.…

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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: Assume that when adults with smartphones are randomly​ selected, 48​% use them in meetings or…

A: Given data, p=48%=0.48 n=7 P(X=4)=?

Q: 4. Assume that 13% of people are left-handed. If we select 10 people at random, what is the…

A: There are different type of discrete distributions, some of them are binomial, Bernoulli, Poisson,…

Q: In 2017, 39.2% of the total email messages is spam. If 59 email messages from 2017 are randomly…

A: From the given information ,39.2% of the total email messages is spam .ie, P(success) = p = 39.2% =…

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, 51​% use them in meetings or…

A: Let "X" be adults who use their smartphones in meetings or classes.

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

A:

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

A: Given that the adults with smartphones are randomly​ selected, 55​% use them in meetings or classes.…

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

A: Given,n=6p=0.54q=1-p=1-0.54=0.46X=No.of adults use their smartphones in meetingsor…

Q: In the United States, approximately 30% of people have type O blood. If 3 people are selected at…

A: We have to find given probability..

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Consider, X be a random variable that represents the number of adults who uses the smartphone which…

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

A: Given that, Probability, p = 42% = 0.42 Sample size = 20

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

A: p(adults with smartphones )=0.54 total outcomes :n=7x= no. of adults with smartphones we have to…

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

A:

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

A: Given: Number of samples (n) = 20 Probability of success (p) = 0.57 Probabilty of failure (q) = 1-p…

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

A: From the provided information, Sample size (n) = 6 Assume that when adults with smartphones are…

Q: assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A:

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

A: We have to  find the probability that at least 6 of them use their smartphones in meetings or…

Q: Assume that when adults with smartphones are randomly​ selected, 58 ​% use them in meetings or…

A: Given that adults with smartphones are randomly​ selected, 58 ​% use them in meetings or classes.…

Q: assume that when adults with smart phones are randomly selected, 54% use them in meetings or…

A: Introduction: A random sample of 5 adult smartphone users was selected. Each of the selected…

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

A: Denote X as the adults who use their smartphones in meetings or classes, which following binomial…

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

A: Suppose a random variable X, defines that the number of adults, who use their smartphones in…

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: Assume that when adults with smartphones are randomly​ selected, 52​%use them in meetings or…

A: Solution given: Sample size (n) = 5 p (adult use smartphones in meeting or classes) = 0.52 p (adult…

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

A:

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

A: 5 adult smartphone users are randomly selected; n=5 45% use them in meetings or classes; p=0.45

Q: 34% of Americans report at some point having worn a fitness tracker such as a Fitbit or smartwatch.…

A: From the provided information,34% of Americans report at some point having worn a fitness tracker…

Q: A coin has been weighted so that landing on "heads" is 4 times greater than landing on "tails".  You…

A: A coin has been weighted so that landing on "heads" is 4 times greater than landing on "tails". i.e.…

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

A: Given, out of randomly selected adults with smartphones, 52% use them in meetings or classes. So, X…

Q: In a recent poll of voters, 20% were displeased with both candidates. If 3 people were picked at…

A: Let x is random variable where people like candidates, and n is total number of trial.Given:20%…

Q: Assume that when adults with smartphones are randomly​ selected, 51​% 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.