Have you ever tried to get out of jury duty? About 24% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury dutyLA USE SALT(a) If 11 people are called for pury duty, what is the probability that all 11 will be available to serve on the jury? (Round your answer to three decmal places.)0.071(b) If 11 people are called for sury duty, what is the probability that s or more will not be available to serve on the pery? (Pound your answer to three decimal places)0752(c) Find the expected number of those available to serve on the jury. What is the standard deviation? (Round your answers to two decimal places)264X peopleIT 142✓ people(d) What is the smallest number of people n that the jury commissioner contact to be at least 95.9% sure of finding at least 12 people who are available to serve? (Enter your answeras a whole number)x people

Answered: Image /qna-images/answer/be5d715a-14a3-4ea7-a299-f106a5031b1f.jpg

Answered: Have you ever tried to get out of jury…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose 500 people in the sample of 1,007 adults were women. Gallup asked these 500 women. "What is your favorite Summer Olympic event?" Thirty-five percent said swimming was their favorite. Gallup gave a margin of error for this result. A) ....Plus or minus 3 percentage points just as for the overall poll B)...greater than plus or minus 3 points becuase the sample for this question is smaller C)...less than plus or minus 3 points because the population of swimming fans is smaller than the population of all adults D)...Less than plus or minus 3 points becuase the sample for this question is smaller
A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was considered accurate within 4.7 percentage points 95% of the time. How large was the sample size? Round up to the nearest whole number.
Please advise. Keep on tossing a coin until one gets a head. List 2 possible outcomes from this sample.
Please help
The Pew Research Center Internet Project, conducted on the 25th anniversary of theInternet, involved a survey of 857 Internet users (Pew Research Center website, April 1,2014). It provided a variety of statistics on Internet users. For instance, in 2014, 87%of American adults were Internet users. In 1995 only 14% of American adults used theInternet.a. The sample survey showed that 90% of respondents said the Internet has been a goodthing for them personally. Develop a 95% confidence interval for the proportion ofrespondents who say the Internet has been a good thing for them personally.
Many states are carefully considering steps that would help them collect sales taxes on items purchased through the Internet. How many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the Internet? Assume that we want to be 99% confident that the sample percentage is within two percentage points of the true population percentage for all sales transactions. n = (Round up to the nearest integer.)
In a sample of 1000 randomly selected consumers who had opportunities to send in a rebate claim form after purchasing a product, 410 of these people said they never did so. Reasons cited for their behavior included too many steps in the process, amount too small, missed deadline, fear of being placed on a mailing list, lost receipt, and doubts about receiving the money. What is the sample proportion?
Shortly after the introduction of the euro coin in Belgium, newspapers around the world published articles claiming that the coin is biased. The stories were based on reports that someone had flipped the coin 250 times and gotten 140 heads. Do you think this is statistical evidence that the euro coin is unfair? Explain in two or three sentences.
Sierra College students enrolled in an online Elementary Statistics course were asked to participate in an anonymous onlne survey. The survey asked the students "Which type of device will you primarily use to access your online course in Canvas?". Of the 152 students who answered this question, 20 responded "a desktop computer", 121 responded "a laptop computer", 6 responded "a smartphone", and 5 responded "a tablet". The Sierra College Mathematics Department believes that less than 5% of students enrolled in an online Elementary Statistics course primarily uses a smartphone to access their online course in Canvas. Use the data collected in the survey to conduct a hypothesis testing procedure to test this belief. What conclusion should be reached according to the results of this hypothesis test?
1. The United States Environmental Protection Agency6 reports that in 2006, each American generated 4.6 pounds of solid waste a day. (a) Does this mean every single American pro duces the same amount of garbage? What do you think this statement means? (b) Was the number 4.6 obtained from a sam ple? Explain. (c) How would you select a sample?
Hi, could someone please help with this? 1. Which is an important aspect of a randomized survey's design?A. The survey should always contain at least 5 questions.B. Each survey question should have at most 3 choices.C. The survey participants should be randomly selected.D. The survey should have questions for multiple populations.2. Identify the leading question.A. How much would you be willing to pay for a new living room furniture set?B. During what time of day are you most likely to watch TV?C. How interested would you be in purchasing a blue car?D. How much did you enjoy your great experience at our waterpark?3. Frederick is creating a plan to conduct a randomized survey. He will be asking guests at a baseball stadium to rate their experience. At which location should he take the survey to ensure randomization?A. the section of seats directly behind home plateB. the hot dog standC. the stadiums front gateD. the gift shop

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