A company conducted a survey to see whether its new toothpaste was morepopular with children or adults. Of the adults surveyed, about 11% use thetoothpaste. Compare this with the percentage of children who use thetoothpaste.Do not usetoothpasteUse toothpasteTotalChildren0.070.180.25Adults0.080.670.75Total0.150.851.0Select the true statement. Select the true statement.O A. A greater percentage of children (46%) use the toothpaste.O B. A smaller percentage of children (7%) use the toothpaste.C. A greater percentage of children (28%) use the toothpaste.O D. A smaller percentage of children (8%) use the toothpaste.

Answered: Image /qna-images/answer/73771927-ea49-4bf8-b430-ab289e64585c.jpg

Answered: A company conducted a survey to see…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the eighth grade level. Suppose a sample of 2552 tenth graders is drawn. Of the students sampled, 2119 read above the eighth grade level. Using the data, estimate the proportion of tenth graders reading at or below the eighth grade level. Enter your answer as a fraction or a decimal number rounded to three decimal places.
X 6.3.10 Question Help Three randomly selected households are surveyed. The numbers of people in the households are 2, 4, and 9. Assume that samples of size n = 2 are randomly selected with replacement from the population of 2, 4, and 9. Construct a probability distribution table that describes the sampling distribution of the proportion of odd numbers when samples of sizes n= 2 are randomly selected. Does the mean of the sample proportions equal the proportion of odd numbers in the population? Do the sample proportions target the value of the population proportion? Does the sample proportion make a good estimator of the population proportion? Listed below are the nine possible samples. 2,2 2,4 2,9 4,2 4,4 4,9 9,2 9,4 9,9 Construct the probability distribution table. Sample Proportion Probability (Type an integer or fraction.)
Approximately 1.4% is not correct
For letter B please plug in the number 6
In a random sample of seven people, the mean driving distance to work was 22.5 miles and the standard deviation was 5.9 miles. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean u. Interpret the results. Identify the margin of error. (Round to one decimal place as needed.) Construct a 95% confidence interval for the population mean. (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. With % confidence, it can be said that most driving distances to work (in miles) in the population are between the interval's endpoints. O B. It can be said that % of the population has a driving distance to work (in miles) that is between the interval's endpoints. OC. With % confidence, it can be said that the population mean driving distance to work…
The 95% interval for a statistics test was given by 55 + 7. What is the lower value for the interval? O a. 62 O b. 48 O c. 55 O d. 7
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A population is the collection of some outcomes, responses, measurements, or counts that are of interest. Choose the correct answer below. A. True. B. False. A sample is the collection of all outcomes, responses, measurements, or counts that are of interest. C. False. A population is the collection of all outcomes, responses, measurements, or counts that are of interest.
NO An online test of English spelling looked at how well people spelled difficult words. The bar graph to the right shows how many people per 100 spelled each word correctly. a. Estimate the number of people per 100 who spelled weird correctly. Round to the nearest 5. b. In a group consisting of 8721 randomly selected people, estimate how many more people can correctly spell weird than inoculate. Number of People per 100 Spelling Various Words Correctly weird N cemetery accommodation harass supersede inoculate F 0 a. The approximate number of people per 100 who spelled weird correctly is (Type a whole number.) 10 20 40 60 80 100 Number of people (per 100) Q Q G
please solve
Some states now allow online gambling. As a marketing manager for a casino, you need to determine the percentage of adults in those states who gamble online. How many adults must you survey in order to be 90% confident that your estimate is in error by no more than one percentage point? Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of adults who gamble online. n=0 (Round up to the nearest integer.) b. Assume that 18% of all adults gamble online. n= (Round up to the nearest integer.)
Determine whether the statement describes a descriptive or inferential statistic. 59 % of all students at the local university eat out more than twice a week.

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS