←Based on a smartphone survey, assume that 41% of adults with smartphones use them in theaters. In a separate survey of 223 adults with smartphones, it is found that 90 use themin theaters.a. If the 41% rate is correct, find the probability of getting 90 or fewer smartphone owners who use them in theaters.b. Is the result of 90 significantly low?a. If the 41% rate is correct, the probability of getting 90 or fewer smartphone owners who use them in theaters is(Round to four decimal places as needed.)b. Is the result of 90 significantly low?because the probability of this event isthan the probability cutoff that corresponds to a significant event, which is

Sample size, A number of adults use smartphones in theaters, Probability that adults use smartphone…

Answered: Based on a smartphone survey, assume…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Suppose a math class contains 33 students. There are 23 females (five of whom speak Spanish) and 10 males (two of whom speak Spanish). Give all answers as decimals to at least two decimal places. 3. What percent of Spanish speaking students are male? 4. If someone does not speak Spanish what is the probability they are female?
Based on a poll , among adults who regret getting tattoos, 70% say that they were too young when they got their tattoos . Assume that four adults who regret getting tattoos are randomly selected , and find the indicated probability. Find the probability that all of the selected adults say that they were too young to get tattoos Type your answer here:
I need help with a and b.
Based on a smartphone survey, assume that 43% of adults with smartphones use them in theaters. In a separate survey of 258 adults with smartphones, it is found that 110 use them in theaters. a. If the 43% rate is correct, find the probability of getting 110 or fewer smartphone owners who use them in theaters. b. Is the result of 110 significantly low?
Based on a smartphone survey, assume that 57% of adults with smartphones use them in theaters. In a separate survey of 264 adults with smartphones, it is found that 149 use them in theaters. a. If the57% rate is correct, find the probability of getting 149 or fewer smartphone owners who use them in theaters. b. Is the result of 149 significantly low?
Based on a smartphone survey, assume that 57% of adults with smartphones use them in theaters. In a separate survey of 224 adults with smartphones, it is found that 111 use them in theaters. a. If the 57% rate is correct, find the probability of getting 111 or fewer smartphone owners who use them in theaters.
In a recent poll of voters, 20% were displeased with both candidates. If 3 people were picked at random. find the probability that at least one liked one of the candidates.
Please explain...
at a university, 60% of the 7400 students are female. the student newspaper reports results of a survey of a random sample of 200 students about various topics involving alcohol abuse, such as participation in binge drinking. find the probability that between 50 and 60 percent of students in a random sample of 200 are female.
Based on past experience, the store manager estimates that the probability that any one customer will make a purchase is .30. What is the probability that two of the next three customers will make a purchase?
There is a 23% chance that a random 100 dollar myster box sold online contains a smartphone. Whatr is the probability that you will have to purchase 32 of these mystery boxes to get five with a smartphone?
Based on a poll, among adults who regret getting tattoos, 23% say that they were too young when they got their tattoos. Assume that ten adults who regret getting tattoos are randomly selected, and find the indicated probability. a. Find the probability that none of the selected adults say that they were too young to get tattoos.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS