Three randomly selected households are surveyed. The numbers of people in the households are 2, 6, and 7. Assume that samples of size n=2 are randomly selected with replacement from thepopulation of 2, 6, and 7. 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. Doesthe 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 proportionmake a good estimator of the population proportion? Listed below are the nine possible samples.2,2 2,6 2,7 6,2 6,6 6,7 7,2 7,6 7,7 aConstruct the probability distribution table.SampleProportionProbability(Type an integer or fraction.)

Answered: Image /qna-images/answer/f50740d0-70b3-48b7-a34b-e1e8e6cc676d.jpg

Answered: Three randomly selected households are…

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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Cal Poly Pomona found that 15% of its students withdraw without completing Calculus I course. Assume that 30 students registered for the course. Let X be the number of students who withdraw. What distribution does X follow?
When pick the correct answer please pick one of the A, B, C answers below.
In 1995, the median price of a PC was $1200. Suppose that a random sample of100 persons who bought their PCs during that year recorded the amount spent (byeach of them) on his/her PC. State the approximate sampling distribution of ˆp, theproportion of persons who spent more than $1200 on a PC. Find the probabilitythat more than 60% of this group spent more than $1200. NOTE: Please explain each part, so the problem can be used as a Study Guide
Dut Trenta and his friends play a game where they will win the amount indicated in the boxes they will pick. In Box 1, 2, 3, 4, 5, and 6, the prizes are 500, 1000, 500, 800, 1500, and 2000 respectively. A random sample of 3 boxes were selected without replacement. Let X be the amount indicated inside a box. a. Find the sampling distribution of ?. b. Find the mean and standard deviation of ?.
The annual salary for one particular occupation is normally distributed, with a mean of about $132,000 and a standard deviation of about $16,000. Random samples of 26 are drawn from this population, and the mean of each sample is determined. Find the mean and standard deviation of the sampling distribution of these sample means. Then, sketch a graph of the sampling distribution.
Construct all random samples consisting two observations from the given data. You are asked to guess the average weight of the six watermelons by taking a random sample without replacement from the population. Watermelon A, B, C, D, E, and F has a weight (in pounds) 19,14,15,9,10 and 17 respectively.k. What is the variance of the sampling distribution of the sample means?l. What is the probability of getting 18.00 as a mean?m. What is the probability of getting 15 as a mean?n. What is the standard deviation of the sampling distribution of the sample means?o. What is the probability of getting 14.50 as a mean?p. What is the probability of getting 16.50 as a mean?
A person's blood pressure is monitored by taking 44 readings daily. The probability distribution of his reading had a mean of 129 and a standard deviation of 33 a. Each observation behaves as a random sample. Find the mean and the standard deviation of the sampling distribution of the sample mean for the four observations each day. b. Suppose that the probability distribution of his blood pressure reading is normal. What is the shape of the sampling distribution? c. Refer to (b). Find the probability that the sample mean exceeds 140.
A population of the values 2, 4, and 7. List down all the possible samples of size 2 which can be drawn from this population. Find the following: 1. List all of the possible sample of size of 2. 2. Compute the mean of each sample 3. Identify the probability of each sample 4. Illustrate the histogram
The average final exam score for the statistics course is 43%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is larger. The final exam scores for the 19 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 54, 38, 45, 47, 42, 42, 48, 38, 56, 51, 46, 41, 43, 41, 37, 40, 53, 43, 43 Copy to clipboard What can be concluded at the = 0.05 level of the significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer H1: ? Select an answer c. The test statistic ? v (please show your answer to 3 decimal places.)
Identify the sampling techniques used in each scenario. f. in order to sample the production yield of milk for the farm's herd of cows, random samples are taken from each of the five different types of cows.
Construct all random samples consisting two observations from the given data. You are asked to guess the average weight of the six watermelons by taking a random sample without replacement from the population. A B C D E F Watermelon Weight (in pounds) 19 14 15 9 10 17
Answer letter a,b and c.

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