O the body mass in grams of a randomly-selected laboratory rat.the sum of two random numbers between 0 and 1 inclusively.Question 31 ptsThe Washington Post/ABC News poll drew a random sample of 1003 adults. What is the samplespace?O all possible choices of 1003 of the approximately 254 million adults in the United StatesO all approximately 254 million adults in the United StatesO the 461 individuals in the sample who gave a positive responseO the n=1003 individuals who responded to the surveyQuestion 41 pts

Solution Sample space is set of the of possible outcomes. Here the set of possible outcomes is the…

Answered: The Washington Post/ABC News poll drew…

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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You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume you want to be 90% confident that the sample percentage is within 2.5 percentage points of the true population percentage. Completed parts a and b below. A.) assume that nothing is known about the percentage of passengers who prefer aisle seats. N= ____ (round up to the nearest integer) B.) assume that a prior survey suggest that about 35% of air passengers prefer an aisle seat. N=____ (round up to the nearest integer)
The table below shows the results of a survey that asked 1044 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Complete parts (a) through (c). Support Oppose Unsure Total Males 151 319 13 483 Females 237 305 19 561 Total 388 624 32 1044
I AM RESUBMITTING THIS QUESTION FOR DIFFERENT PARTS. I NEED THE LAST 3 MULTIPLE CHOICE QUESTIONS ANSWERED. 5, 6, AND 7 Before the furniture store began its ad campaign, it averaged 160 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 16 randomly selected days since the ad campaign began is shown below: 131, 127, 148, 143, 141, 153, 158, 145, 138, 163, 164, 148, 166, 154, 170, 133 Assuming that the distribution is normal, what can be concluded at the αα = 0.05 level of significance? For this study, we should use Select an answer t-test for a population mean z-test for a population proportion The null and alternative hypotheses would be: H0:H0: ? μ p Select an answer < = ≠ > H1:H1: ? p μ Select an answer = > ≠ < The test statistic ? t z = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is ? ≤ > αα Based…
Please Assist Thank you
A group of voters were asked about their political affiliation and their method of voting. The results are shown in the table below. At the Polls Absentee Did Not Vote Total Republican 72 51 67 190 Democrat 100 42 90 232 Total 172 93 157 422 Answer the following and present your answer as a decimal number rounded to two decimal places. If a randomly selected voter is chosen then A. P(Democrat) = %3D B. P(Absentee) = C. P(Republican AND Absentee) = D. P(Republican OR Did Not Vote) = %3D E. P(Republican given that Did Not Vote) = %3D
There are 150 members of the senior class. You survey 25 members of the class randomly and 22 say they are going to attend the dance. How many seniors are likely to be at the dance?
Which of the following is most likely a population as opposed to a sample? A Every third person to arrive in the hospital B Registered nurses in 2007 © Respondents to a newspaper survey D First five nurses completing their duties
14 Sammy & Owen toss a coin three times for the best two out of three tosses. Sammy lists the sample space first: (T=tails, H=heads) HHH, HHT, HTH, HTT, THT, TTH, TTT. Owen notes that one possibility is missing. Which one is it? a. THH b. TTT c. HTT d. TIH
answer the questions in the picture please.
Find the total number of possible outcomes in the following sample space (your answer should be a whole number): A pizza stand offers both hand-tossed and pan pizza. Each pizza can either have alfredo sauce or marinara sauce and has the option of 4 different toppings.
- Attendance and Grades Read the following on attendance and grades, and answer the questions in the discussion board. A study conducted at Manatee Community College revealed that students who attended class 95 to 100% of the time usually received an A in the class. Students who attended class 80 to 90% of the time usually received a B or C in the class. Students who attended class less than 80% of the time usually received a D or an F or eventually withdrew from the class. Based on this information, attendance and grades are related. The more you attend class, the more likely you will receive a higher grade. If you improve your attendance, your grades will probably improve. Many factors affect your grade in a course. One factor that you have considerable control over is attendance. You can increase your opportunities for learning by attending class more often. a. What are the variables under study? b. Are descriptive, inferential, or both types of statistics used? c. What is the…
The following are the ages of 3 jeepney passengers in a EXAMPLE 2: waiting shed: 8, 12, and 14. A sample with size 2 is chosen to ride in the current jeepney. Find all the possible combination of samples with replacement. Use the formula №n: 3² = 9 combinations. First Draw 8 12 14 Second Draw 8 12 14 8 12 14 8 12 14 Samples 8, 8 8, 12 8, 14 12, 8 12, 12 12, 14 14, 8 14, 12 14, 14 MEAN 8 10 11 10 12 13 11 13 14

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