Edith Educationer has a real problem with children’s television programs. She believes there are too many...
Edith Educationer has a real problem with children’s television programs. She believes there are too many commercials in them. To study this, she collects a sample of 500 children’s programs (n = 500) and counts how many commercials are on during the program. The frequency count of programs with the number of commercials is found below:
|
Commercials, X |
8 |
9 |
10 |
11 |
12 |
|
Frequency |
50 |
75 |
150 |
125 |
100 |
|
P(X) |
Complete the table to produce the general discrete probability distribution. Use this probability distribution to answer questions a – h.
- How many commercials, X, is the most likely outcome to occur?
- Find the average number and standard deviation of commercials a child will expect to see in a program.
- What is the probability that a child will see 10 or more commercials when watching a program? P(X ≥ 10)
- What is the probability that a child will watch 4 commercials? P(X < 4)
- What is the probability that a child will watch exactly 12 commercials? P(X = 12)
- What is the probability that a child will watch exactly 7 commercials? P(X = 7)
- What is the expected number of commercials in a program?
- Graph the probability Distribution
Homework Answers
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Edith Educationer has a real problem with children’s television
programs. She believes there are too many...
Edith Educationer has a real problem with children’s television programs. She believes there are too many...
Edith Educationer has a real problem with children’s television programs. She believes there are too many commercials in them. To study this, she collects a sample of 500 children’s programs (n = 500) and counts how many commercials are on during the program. The frequency count of programs with the number of commercials is found below: Commercials, X 8 9 10 11 12 Frequency 50 75 150 125 100 P(X) Complete the table to produce the general discrete probability distribution....
Ella Educationer is Edith’s sister. She is also interested in studying children’s programming. Ella watches programs...
Ella Educationer is Edith’s sister. She is also interested in studying children’s programming. Ella watches programs and then rates them as either Good or Bad. She believes that this now becomes a binomial experiment, with a constant probability across every new program viewed. Suppose Ella is going to watch 10 programs and we find the probability that a show will be rated as good is 0.40. what is the probability that 5 shows will be rated as good, P(X =...
Many companies, notably cereal manufacturers and fast food outlets, advertise heavily on children’s television programs. What...
Many companies, notably cereal manufacturers and fast food outlets, advertise heavily on children’s television programs. What do you see to be the ethical issues of advertising foods to children? Should industry practices be regulated and, if so, to what degree and why?
there is no given probability of commercial, just given 8 commercial, so I don't know what...
there is no given probability of commercial, just given 8
commercial, so I don't know what is given p here.
Consider probability density function(pdf) for a Binomial rnadom
variable:
Thank you!
1. In a 30-minute episode of cable-television there are on average 8 commercials. Let X be the 30-minute episode of cable-television number of commercials in a C (a) When watching a half-hour show, what is the probability that you see 9 commercials? (b) You decide to binge-watch 8 episodes...
A researcher wanted to know if the content of television programs has an impact on viewer's...
A researcher wanted to know if the content of television programs has an impact on viewer's recall of ad content. He randomly assigned 108 people to view a program with violent content, and 110 people to view a program with neutral content. The same 9 commercials were inserted into each program. After viewing the program, the subjects were asked to recall the brands advertised in the commercials. The average number of brands recalled for those who saw the violent program...
The amount of time adults spend watching television is closely monitored by firms because this helps...
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable weekly time spent watching television would be normaly distributed? If not, what shape would you expect the variable to have? O A The variable weekly time spent watching television is likely normally distributed OB. The variable weekly time spent watching television is kely skewed right not normally...
The amount of time adults spend watching television is closely monitored by firms because this helps...
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? O A. The variable "weekly time spent watching television" is likely normally distributed. OB. The variable "weekly time spent watching television" is likely skewed right, not normally...
This The amount of time adults spend watching television is closely monitored by firms because this...
This The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable weekly time spent watching television would be normally distributed? If not, what shape would you expect the 1.525 variable to have? 1.525+ he com OA. The variable weekly time spent watching television is likely symmetric, but not normally distributed. OB. The variable weekly time spent watching...
1. The amount of time spent by North American adults watching television per day is normally...
1. The amount of time spent by North American adults watching television per day is normally distributed with a mean of 6 hours and a standard deviation of 1.5 hours. [10 Marksl a. What is the probability that a randomly selected North American adult watches television for more than 7 hours per day? 14 Marks] b. What is the probability that the average time watching television by a random sample of five North American adults is more than 7 hours?...
Problem 8 Problem Statement Gazelle has developed 7 new items for her designer auto parts business, and she wants to do a quick marketing test. She recruits 200 subjects, and she presents the 7 i...
Problem 8 Problem Statement Gazelle has developed 7 new items for her designer auto parts business, and she wants to do a quick marketing test. She recruits 200 subjects, and she presents the 7 items to each customer. She then records the number of items that they decide to purchase, ending up with this data: Sales Count Customers 15 59 46 26 13 3 200 6 Total Thus, there were 5 customers who purchased no items, 15 customers who purchased...
there is no given probability of commercial, just given 8
commercial, so I don't know what is given p here.
Consider probability density function(pdf) for a Binomial rnadom
variable:
Thank you!
1. In a 30-minute episode of cable-television there are on average 8 commercials. Let X be the 30-minute episode of cable-television number of commercials in a C (a) When watching a half-hour show, what is the probability that you see 9 commercials? (b) You decide to binge-watch 8 episodes...
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable weekly time spent watching television would be normaly distributed? If not, what shape would you expect the variable to have? O A The variable weekly time spent watching television is likely normally distributed OB. The variable weekly time spent watching television is kely skewed right not normally...
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? O A. The variable "weekly time spent watching television" is likely normally distributed. OB. The variable "weekly time spent watching television" is likely skewed right, not normally...
This The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable weekly time spent watching television would be normally distributed? If not, what shape would you expect the 1.525 variable to have? 1.525+ he com OA. The variable weekly time spent watching television is likely symmetric, but not normally distributed. OB. The variable weekly time spent watching...
1. The amount of time spent by North American adults watching television per day is normally distributed with a mean of 6 hours and a standard deviation of 1.5 hours. [10 Marksl a. What is the probability that a randomly selected North American adult watches television for more than 7 hours per day? 14 Marks] b. What is the probability that the average time watching television by a random sample of five North American adults is more than 7 hours?...
Problem 8 Problem Statement Gazelle has developed 7 new items for her designer auto parts business, and she wants to do a quick marketing test. She recruits 200 subjects, and she presents the 7 items to each customer. She then records the number of items that they decide to purchase, ending up with this data: Sales Count Customers 15 59 46 26 13 3 200 6 Total Thus, there were 5 customers who purchased no items, 15 customers who purchased...
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