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: Based on a poll, 65% of Internet users are more careful about personal information when using a…

A: In this case, each of the considered individual internet users has the only options of "being…

Q: What is the probability of drawing a red or blue marble out of a bowl with 10 red, 6 blue, 9 green?

A: Given that,no.of red marbles=10no.of blue marbles=6no.of green marbles=9Total no.of marbles=25

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: A random sample of 306 new Smile Bright electric toothbrushes showed that 19 were defective.…

A: Given that there are 19 out of 306 new smile bright electric toothbrushes are defective.

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

A:

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

A:

Q: Of all customers purchasing automatic garage-door openers, 75% purchase a chain-driven odel. Let X…

A: Binomial table: n=15,…

Q: LON Survey reported that the proportion of adults with high blood pressure is 0.3. A sample of 38…

A:

Q: A recent survey of 1050 U.S. adults selected at random showed that 625 consider the occupation of…

A: Out of 1050 randomly selected US adults, 625 consider the occupation of firefighter to to have very…

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, 59​% use them in meetings or…

A:

Q: Based on a smartphone​ survey, assume that 51​% of adults with smartphones use them in theaters. In…

A:

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

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: Based on a​ poll, among adults who regret getting​ tattoos, ​17% say that they were too young when…

A:

Q: based on a Harris poll among adults who regret getting tattoos 20% say that they were too young.…

A: Binomial distribution :  Binomial distribution describes the possible number of events occurs in…

Q: A market research organization surveyed 102 people and found that 73 of them would like more…

A:

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: Assume that when adults with smartphones are randomly​ selected, 63​% use them in meetings or…

A:

Q: In a study done in my chicken coop, 82% of my birds enjoy eating earwimgs. Chose 7 at random. FIND…

A: The provided information are: Probability of success (p)  = 82% = 0.82 Number of birds chosen (n) =…

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: 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: 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, 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: According to the National Center for Health Statistics in Vital Statistics of the US, there is…

A: In this case, each of the individuals of aged 20 has the only option of "being alive at the age of…

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

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, 48​% use them in meetings or…

A: Let X be the random variable from binomial distribution with probability (p)=48% = 0.48 and sample…

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 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, 53​% use them in meetings or…

A: given data P(use smartphone in meeting or class) = p = 0.53sample size (n) = 5x = no. of adults use…

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: A geneticist constricts an experiment with peas, one sample of offspring consisted of 460 green peas…

A:

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

A:

Q: A recent survey of 1010 U.S. adults selected at random showed that 649 consider the occupation of…

A: General formula of probability is,  Probability = Number of favorable outcomesTotal outcomes

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: A recent survey of 1010 U.S. adults selected at random showed that 647 consider the occupation of…

A:

Q: According to a survey conducted by Tourism Malaysia, 70% of Malaysian companies give employees 25 to…

A:

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, 59​% use them in meetings or…

A: Given that, randomly selected smartphones with probability 59% , 0.59 10 adult smartphone users are…

Q: The probability that a randomly selected male aged 90 years old will survive the year is 95.195%…

A: The probability that a randomly selected male aged 90 years old will survive the year is 0.95195.

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

A: The question is about sampling distribution of sample prop. Given : Popl. prop. of adults with…

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.