(d) Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65.The probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65 is Coffee: The National Coffee Association reported that 63% of U.S. adults drink coffee daily. A random sample of 275 U.S. adults is selected. Round youranswers to at least four decimal places as neededoPart 1 of 6(a) Find the mean .The mean is 63Alternate Answer:The mean u is 0.63.Part 2 of 6(b) Find the standard deviation GAopThe standard deviation GA is .0291PAlternate Answer:The standard deviation GA is 0.0291.%Part 3 of 6(c) Find the probability that more than 68% of the sampled adults drink coffee daily.The probability that more than 68% of the sampled adults drink coffee daily is .0427Part: 3/6Part 4 of 6(d) Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65.The probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65 isXS

63% of US adults drink coffee daily. Sample size

Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65. The probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65 is

Find the probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65. The probability that the proportion of the sampled adults who drink coffee daily is between 0.56 and 0.65 is

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 chances of a pine tree in a particular forest being effected by the pine beetle is 10 percent. If you randomly select 20 trees for testing, what is the probability that fewer than 2 will be infected by the pine beetle? Round your answer to three decimal places, e.g. 0.619.
Ryan is throwing a football through a tire in his backyard. He has the probability of .30 of throwing the ball through the tire on each attempt, and each attempt is independent of the one before. Draw the graph of the PDF for the first five attempts. What does the graph tell you about the mean and standard deviation?
The percent defective from an incoming lot is 3%.An OC curve showed the probability of acceptance to be 0.55.Given a lot size of 2,000 and a sample of 100, determine theaverage outgoing quality in percent defective
Suppose that the population of middle-school children has a mean of 350 on a reading test and σ = 50. Assume normality. What is the probability that a mean will be greater than 370 with a sample of 25 students? Leave the probability in decimal form (do not convert to percentage). Round to the nearest ten thousandth. (4 decimal places)
Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 653. A random sample of 34 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume o = 1540. The probability is (Round to four decimal places as needed.) Interpret the result. Select the correct choice and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. About OB. About OC. About OD. About % of samples of 46 years will have an annual mean gain between 400 and 800. % of samples of 34 years will have an annual mean gain between 653 and 800. % of samples of 34 years will have an annual mean gain between 400 and 800. % of sampl of 34 years will have an annual mean gain between 400 and 653.
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
All California 5th graders take a standardized test. The mean for the population of 5th graders is 68.9 and the standard deviation for the population is 10. What is the probability of randomly selecting a student who scored a. ≥ 85? b. less than or equal to 85? c. between 80 & 85? d. between 60 & 85?
You have a uniform distribution whose lowest value is 7 and whose highest value is 15. Find the probability that a randomly selected number from this distribution will be between 9.3 and 10.6.
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents. DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 49 73 No 221 632 If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was not intoxicated.Report the answer as a percent rounded to one decimal place accuracy. prob = %
Solve the problem.Assume that male Siberian huskies' weights are normally distributed with a mean of 63.6 pounds and a standard deviation of 2.5 pounds. If 90 male Siberian huskies are randomly selected, find the probability that they have a mean weight between 62.9 pounds and 64.0 pounds.