Question

1A. The following table shows the results of a survey of 500 authors by a publishing...

1A. The following table shows the results of a survey of 500 authors by a publishing company.

New Authors Established Authors Total
Successful 25 140 165
Unsuccessful 85 250 335
Total 110 390 500

Compute the relative frequency of the given event if an author as specified is chosen at random.

An author is established____

1B.The following table shows the results of a survey of 100 authors by a publishing company.

New Authors Established Authors Total
Successful 8 27 35
Unsuccessful 17 48 65
Total 25 75 100

Compute the relative frequency of the given event if an author as specified is chosen at random.

A successful author is established_________.

1C.The following table shows the results of a survey of 500 authors by a publishing company.

New Authors Established Authors Total
Successful 20 130 150
Unsuccessful 95 255 350
Total 115 385 500

Compute the relative frequency of the given event if an author as specified is chosen at random.

A new author is unsuccessful________.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The following table shows the results of a survey of 400 authors by a publishing company....
The following table shows the results of a survey of 400 authors by a publishing company. New Authors Established Authors Total Successful 20 96 116 Unsuccessful 80 204 284 Total 100 300 400 Compute the relative frequency of the given event if an author as specified is chosen at random. A successful author is established.______________- 2.) The following table shows the results of a survey of 200 authors by a publishing company. New Authors Established Authors Total Successful 18 44...
13) The table shows the results of a survey of 100 authors by a publishing company....
13) The table shows the results of a survey of 100 authors by a publishing company.    New Authors Established Authors Total Successful 5 25 30 Unsuccessful 10 60 70 Total 15 85 100 Compute the following conditional probability. An author is established, given that she is successful. 14) The following table shows the results of a survey of authors by a (fictitious) publishing company. HINT [See Example 5.] New Authors Established Authors Total Successful 9 20 29 Unsuccessful 17...
The accompanying table shows the results of a survey in which 250 male and 250 female...
The accompanying table shows the results of a survey in which 250 male and 250 female workers ages 25 to 64 were asked if they contribute to a retirement savings plan at work. Complete parts​ (a) and​ (b) below. b) Find the probability that a randomly selected worker is​ female, given that the worker contributes to a retirement savings plan at work. The probability that a randomly selected worker is​ female, given that the worker contributes to a retirement savings...
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...
Table 1 below shows results obtained in a new screening test for diabetes. 10,000 people were...
Table 1 below shows results obtained in a new screening test for diabetes. 10,000 people were screened. The cut-off level employed was 180mg of blood glucose per 100 ml. Everyone scoring above this level was classified as positive for diabetes. Everyone scoring below this level was classified as negative for diabetes. These results were compared to a “gold standard” test for diabetes that is considered to be completely valid. Compute and interpret the sensitivity, specificity, positive predictive value (PPV) and...
The following table shows the results of a survey in with 90 dog owners were asked...
The following table shows the results of a survey in with 90 dog owners were asked how much they have spent in the last year for their dog's health care and whether the dogs were purebred or mixed breeds. Purebred mixed breed total less than $100 19 21 40 $100 or more 35 15 50 total 54 36 90 a.) find the probability that $100 or more was spent on a randomly selected dog's health care in the last year__________...
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...
Exercise 1 The table below shows results from the New Mexico Behavioral Risk Factor Surveil- lance...
Exercise 1 The table below shows results from the New Mexico Behavioral Risk Factor Surveil- lance System (BRFSS), an annual survey conducted by telephone. Data are shown for the years 2011 and 2015. Each year represents a different random sample. The results below indicate the sample size and number of people who reported that they have been diagnosed with diabetes. Diagnosed with diabetes Year yes no total 2011 1189 8135 9324 2015 908 5617 6525 Conduct a hypothesis test of...
The table below shows the results of a survey that asked 28682868 people whether they are...
The table below shows the results of a survey that asked 28682868 people whether they are involved in any type of charity work. A person is selected at random from the sample. Complete parts​ (a) through​ (d). Frequently    Occasionally Not at all Total Male 228 458 794 1480 Female 202 440 746 1388 Total 430 898 1540 2868 ​(a) Find the probability that the person is frequently or occasionally involved in charity work. Upper P left parenthesis being frequently involved...
The following contingency table gives the results of a sample survey of South African male and...
The following contingency table gives the results of a sample survey of South African male and female respondents with regard to their preferred supermarket: Preferred Supermarket Pick a Pay Checkers Woolworths Total No of Females 70 60 125 255 No of Males 70 50 25 145 Total 140 110 150 400 a) What is the probability of randomly selecting a male respondent from the sample? (2) b) What is the probability of randomly selecting a respondent who is female and...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT