Question

The contingency table below shows the results of a survey of video viewing habits by age....

The contingency table below shows the results of a survey of video viewing habits by age.

Video Viewing Platform Preferred
Viewer Age Mobile/Laptop Device TV Screen Row Total
18–34 40 23 63
35–54 12 12 24
55+ 5 8 13
Column Total 57 43 100


Find the following probabilities or percentages:

(a) Probability that a viewer is aged 18–34. (Round your answer to 2 decimal places.)

Probability            

(b) Probability that a viewer prefers watching videos on a TV screen. (Round your answer to 2 decimal places.)

Probability            

(c) Percentage of viewers who are 18–34 and prefer videos on a mobile or laptop device.

Percentage of viewers             %

(d) Percentage of viewers given they are 18–34 who prefer videos on a mobile or laptop device. (Round your answer to 2 decimal places.)

Percentage of viewers             %

(e) Percentage of viewers who are 35–54 or prefer videos on a mobile or laptop device.

Percentage of viewers             %

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The contingency table below shows the results of a survey of video viewing habits by age....
The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred Viewer Age Mobile/Laptop Device TV Screen Row Total 18–34 39 24 63 35–54 14 14 28 55+ 2 7 9 Column Total 55 45 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18–34. (Round your answer to 2 decimal places.) Probability (b) Probability that a viewer prefers watching videos on a TV screen. (Round...
The contingency table below shows the results of a survey of video viewing habits by age...
The contingency table below shows the results of a survey of video viewing habits by age Age range Mobile/Laptop Device Tv Screen Row Total 18-34    33    25    58 35-54    13    13    26 55+    5    11    16 Column Total 51 49 100 (a) Probability that a viewer is aged 18-34 (b) Probability that a viewer prefers watching videos on a TV screen (c) Percentage of viewers who are 18-34 and prefer videos...
Question 7. A television station wishes to study the relationship between viewership of its 11 p.m....
Question 7. A television station wishes to study the relationship between viewership of its 11 p.m. news program and viewer age (18 years or less, 19 to 35, 36 to 54, 55 or older). A sample of 250 television viewers in each age group is randomly selected, and the number who watch the station’s 11 p.m. news is found for each sample. The results are given in the table below. Age Group Watch 11 p.m. News? 18 or less 19...
The contingency table below summarizes a survey of 1,000 bottled beverage consumers. Lives in a state...
The contingency table below summarizes a survey of 1,000 bottled beverage consumers. Lives in a state with a deposit law Lives in a state with no deposit law Row Total Recycles beverage bottles 137 180 317 Does not recycle beverage bottles 60 623 683 Column Total 197 803 1,000 Find the following probabilities or percentages: (a) Probability that a consumer recycles beverage bottles. (Round your answer to 2 decimal places.) P(Recycles)               (b) Probability that a consumer who lives...
A television station wishes to study the relationship between viewership of its 11 p.m. news program...
A television station wishes to study the relationship between viewership of its 11 p.m. news program and viewer age (18 years or less, 19 to 35, 36 to 54, 55 or older). A sample of 250 television viewers in each age group is randomly selected, and the number who watch the station’s 11 p.m. news is found for each sample. The results are given in the table below. Age Group Watch 11 p.m. News? 18 or less 19 to 35...
A television station wishes to study the relationship between viewership of its 11 p.m. news program...
A television station wishes to study the relationship between viewership of its 11 p.m. news program and viewer age (18 years or less, 19 to 35, 36 to 54, 55 or older). A sample of 250 television viewers in each age group is randomly selected, and the number who watch the station’s 11 p.m. news is found for each sample. The results are given in the table below. Age Group Watch 11 p.m. News? 18 or less 19 to 35...
It has been reported that 48% of teenagers play video games on their phones. A random...
It has been reported that 48% of teenagers play video games on their phones. A random sample of 60 teenages is drawn. Find the probability that the proportion of teenagers in the sample who play videos games on their phone is less than 0.486 Write only a number as your answer . Round to 4 decimal places (for example 0.3748) ). Do not write as a percentage .
According to the South Dakota Department of Health, the number of hours of TV viewing per...
According to the South Dakota Department of Health, the number of hours of TV viewing per week is higher among adult women than adult men. A recent study showed women spent an average of 30 hours per week watching TV, and men, 22 hours per week. Assume that the distribution of hours watched follows the normal distribution for both groups, and that the standard deviation among the women is 4.1 hours and is 5.0 hours for the men. What percent...
The table to the right shows the number of men and​ women, in​ thousands, enrolled in​...
The table to the right shows the number of men and​ women, in​ thousands, enrolled in​ degree-granting institutions in a certain year. The men and women are categorized by their age groups. Complete parts​ a) through​ f) below. Men Women 14 to 17 years old 19 13 18 and 19 years old 274 321 20 and 21 years old 290 451 22 to 24 years old 544 685 25 to 29 years old 432 826 30 to 34 years old...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18...
According to Nielsen Media Research, the average number of hours of TV viewing by adults (18 and over) per week in the United States is 36.07 hours. Suppose the standard deviation is 8.8 hours and a random sample of 48 adults is taken. Appendix A Statistical Tables a. What is the probability that the sample average is more than 35 hours? b. What is the probability that the sample average is less than 36.6 hours? c. What is the probability...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT