Consider a finite population with five elements labeled A, B, C, D, and E. Ten possible simple random samples of size 2 can be selected.(a) List the 10 samples beginning with AB, AC, and so on. (Enter your answers as a comma-separated list.)AB AC AD AE BC BD BE CD.CE DE(b) Using simple random sampling, what is the probability that each sample of size 2 is selected? (Enter your probability as a fraction.)1/10(c) Assume random number 1 corresponds to A, random number 2 corresponds to B, and so on. List the simple random sample of size 2by using the random digits 8, 0, 3, 7, 3, 2, 5.X

Given: A finite population has five elements labeled A, B, C, D and E. Ten possible simple random…

Answered: Consider a finite population with five…

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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ree randomly selected households are surveyed. The numbers of people in the households are 3, 5, and 10. Assume that samples of cen=2 are randomly selected with replacement from the population of 3, 5, and 10. Listed below are the nine different samples. omplete parts (a) through (c). 3,3 3,5 3,10 5,3 5,5 5,10 10,3 10,5 10,10 D . Find the median of each of the nine samples, then summarize the sampling distribution of the medians in the format of a table epresenting the probability distribution of the distinct median values. Sample Median Probability (Type integers or fractions. Use ascending order of the sample medians.) b. Compare the population median to the mean of the sample medians. Choose the correct answer below. O A. The population median is not equal to the mean of the sample medians (it is also not half or double the mean of the sample medians). B. The population median is equal to half of the mean of the sample medians. O C. The population median is equal to double the mean…
Suppose you are interested in buying a new Lincoln Navigator or Town Car. You are standing on the sales lot looking at a model with different options. The list price is on the vehicle. As a salesperson approaches, you wonder what the dealer invoice price is for this model with its options. The following data are based on a random selection of these cars of different models and options. Let y be the dealer invoice (in thousands of dollars) for the given vehicle. x 32.4 32.9 36.1 44.0 47.8 y 30.4 31.0 32.0 42.1 42.2 (b) Use a 10% level of significance to test the claim that ρ > 0. (Use 2 decimal places.) t ? critical t ? (c) Verify that Se ≈ 1.5629, a ≈ 2.5006, and b ≈ 0.8551. Se ? a ? b ? (e) Find a 95% confidence interval for y when x = 42 (thousand dollars). (Use 2 decimal place.) lower limit ? upper limit ? (f) Use a 10% level of significance to test the claim that β > 0. (Use 2 decimal places.) t ? critical t ?
A population consists of the numbers 2,3,4,5, and 6. Let us list all possible sample size of 3 from this population and compute the mean of each sample.Using the formula Ncn wher N is the population size and n is the sample size.
Race organizers want to survey the participating runners on the quality of the running course. Which of the following uses systematic random sampling? Select the first 15 finishers and the last 15 finishers to take the survey. Randomly select 15% of the male participants and 15% of the female participants. Select the 5th finisher (with the number 5 being randomly chosen) to survey, then survey every 15th finisher after that. Sort all of the runners' names alphabetically, then randomly choose 2 letters and survey all participants whose last name begins with one of those letters.
Part A: There is a population of five people. They were each asked how many movies they saw in the last year. Amy saw one (1), Bob saw seven (7), Clara saw thirteen (13), Dora saw nineteen (19), and Earl saw twenty-five (25). Looking at every single possible sample of size three (with replacement). First column will be a list of every single sample (e.g., Amy, Amy, and Amy – or AAA – Amy, Amy, and Bob – or AAB – et cetera). The second column will list the mean of each sample.The third column will list the variance of each sample (using N in the denominator); and the fourth column will list the variance of each sample (using N-1 as the denominator). Calculate the means of the last three columns. To calculate the averages of the columns, put the data in a frequency table and then calculate the mean using the table. Calculate the variance of the population. Look at the values of the numbers. Which one of these means is special? Why? This will have six distinct parts: 1) the…
How many permutations of three items can be selected from a group of six? Use the letters A, B, C, D, E, and F to identify the items, and list each of the permutations of items B, D, and F. (Enter your answers as a comma-separated list. Enter three unspaced capital letters for each permutation.) Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 54 bank accounts, we want to take a random sample of four accounts in order to learn about the population. How many different random samples of four accounts are possible?
The instructor takes a random sample of size from the population data and obtains the following sample data: x 405 385 495 385 555 470 5 If we take random samples of size n = 6 from this population, the number of possible samples is: a 11,481,019,312 b 11,367,345,853 c 11,254,797,874 d 11,143,364,232
Given a population of N=93, starting in row 29 of the table of random numbers, and reading across the row, select a sample of n=15 a. without replacement. b. with replacement. Column Row 00000 00001 11111 11112 22222 22223 33333 33334 12345 67890 12345 67890 12345 67890 12345 67890 28 06873 21440 75593 41373 49502 17972 82578 16364 29 12478 37622 99659 31065 83613 69889 58869 29571 30 57175 55564 65411 42547 70457 03426 72937 83792 31 91616 11075 80103 07831 59309 13276 26710 73000 32 78025 73539 14621 39044 47450 03197 12787 47709 Choose the correct answer below. A. 12, 47, 83, 76, 22, 99, 65, 93, 10, 65, 83, 61, 36, 98, 89 B. 12, 47, 83, 76, 22, 65, 93, 10, 61, 36, 89, 58, 86, 92, 71 C. 47, 83, 76, 22, 99, 65, 93, 10, 65, 83, 61, 36, 98, 89, 58 D. 83, 76, 22, 99, 65, 93, 10, 65,…
part a and b
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An experiment consists of drawing two numbers out of a hat one after the other containing the numbers 1, 3, 5, 6. The two numbers are then recorded as a 2-digit number. The number drawn is NOT put back in the hat before drawing the second. Do the following: List the sample space.________________________________ Let F = the event of getting a number whose first digit is odd Let S = the event of getting a multiple of 6 Find P( F and S) =____________________________________ Find P(F) =______________________________ Find P(F|S) =_______________________________________ Are F and S independent events? ___________Justify_____________ VIII (15) Let E be the event that at least two people out of 4 have the same birth month (not day). How many outcomes in the Sample space. In other words, compute n(S).________ State in words the complement of E. _____________________________ How many outcomes in the event not E. In other words, compute n(not E). ________…
Sample space S is partitioned into E₁, E₂, E3, and E4 such that P(E₁)=0.12, P(E₂)=0.09, and P(E3) = 0.49. a. Find P(E4). b. Find the odds in favor of and the odds against E4 occurring. a. P(E4)= (Simplify your answer.) b. The odds in favor of E4 occurring, in lowest terms, are (Type whole numbers.) The odds against E4, in lowest terms, are (Type whole numbers.)

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