Priscila Bitencourt Moila nttps://www mathotcom/Student/Player Testapxtestid 161

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Priscila Bitencourt Moila nttps://www mathotcom/Student/Player Testapxtestid 161430900 renterwin SU17-MATH-155-ALLSECTIONS Prisola Bnencourt 7/25/17 7:01 PM Quiz: Quiz Chapter6 Submit Qub This Question: 1 pt 3of15(1 complete This Quiz: 15 pts possib Three randomly selected households are surveyed The numbers of people in the househoids are 2,7, and 12 Assume that samples of sine n-2 are randoemly selected with replacement trom the population of 2, 7, and 12 Construct a probablity destrbution table that descrbes the sampling distrbution of the proportion of , fumbers wher, sarries of sues n : 2 are tardenty selected Doesthe ofthe sanple poportons equal the proportion of oven runters in the population, Do the sample proportions target the value of the popuiation proportion? Does the sample proportion make a good estimator of the population proportion? Listed below are the nne possible samples 2,2 2,7 2,12 7,2 7,7 7,12 12.2 12,7 12.12 Construct the probability dstribution table Sample Proportion Probabity (Type an ininger or traction j Choose the comect answer beiow Choose the conect ansaver beow O A The proportion of even nambers in the population is equal to the mean of the sample proportions of odd numbers B. The progorten or even matters the popuiston is epial to te mean ofthe sample poportons OC. Tho proportion or oven numbers in the populatorsnot equal to moan of the sample proportions D. The propoon of odd nnters n the poputtosequal to the mean of ne sangle proportons of oven numbers Choose the comect arswer below OA. The sample pregonos do notthe proportion of even fumbers ntho populaton, so sample proportons do not man god eshmators ofthe the conect annwer O B. The sample proportions do not tanget the proportion of even numbers in the population, so sample proportions make good estmators of the popuiation population proportion The sergle popo tons do not trgetteproportion of even nur ters n he p . lahon so s pie prop to smako good e tmoors ofte populi n Click to select your answer's)

Explanation / Answer

there are 9 samples ; therefrore probability of each sample =1/9

from above below is detailed proportion data of all samples.

adding duplicate probability final table is :

option B is correct:

option D is correct.

please revert for any clarification required,

x1 x2 sample proportion probability 2 2 1    1/9 7 2 1/2 1/9 12 2 1    1/9 2 7 1/2 1/9 7 7 0    1/9 12 7 1/2 1/9 2 12 1    1/9 7 12 1/2 1/9 12 12 1    1/9

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