How often do users of a certain social media post on the site? The accompanying table represents the frequency of posting for a sample of 961 respondents classified according to their age groups. At the 0.05 level of significance, is there evidence of a relationship between the frequency of posting and age group?H0:H1:The answers (options) are in the image. Type of favorite music classified by age groupFREQUENCYAGE18-2223-3536-4950-6465 and overTotalSeveral times aday212212158About once a303714386day3-5 days perweek35328.31211-2 days perweek3371381910171Every few weeksLess often2067462641631858566418214Never8.13406520146Total16531123818758959PrintDone2.992.43 ate the null and alternative hypotheses to test.Tq = Tg = Ttz =T4 = T5%3DNot all are equal (where j=1, 2,.., 7)Iq = TTq = Ttz = T4 = T5 = T6 = T7Not all t, are equal (where j= 1, 2, 3, 4, 5)There is no relationship between frequency of posts and age group.There is a relationship between freqeuncy of posts and age group.ck to select your answer(s) and then click Check Answer.

The claim of the test is that whether there is relationship between the frequency of posting and…

Answered: How often do users of a certain social…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section5.6: Exponential And Logarithmic Equations

Problem 67E

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Population Genetics In the study of population genetics, an important measure of inbreeding is the proportion of homozygous genotypesthat is, instances in which the two alleles carried at a particular site on an individuals chromosomes are both the same. For population in which blood-related individual mate, them is a higher than expected frequency of homozygous individuals. Examples of such populations include endangered or rare species, selectively bred breeds, and isolated populations. in general. the frequency of homozygous children from mating of blood-related parents is greater than that for children from unrelated parents Measured over a large number of generations, the proportion of heterozygous genotypesthat is, nonhomozygous genotypeschanges by a constant factor 1 from generation to generation. The factor 1 is a number between 0 and 1. If 1=0.75, for example then the proportion of heterozygous individuals in the population decreases by 25 in each generation In this case, after 10 generations, the proportion of heterozygous individuals in the population decreases by 94.37, since 0.7510=0.0563, or 5.63. In other words, 94.37 of the population is homozygous. For specific types of matings, the proportion of heterozygous genotypes can be related to that of previous generations and is found from an equation. For mating between siblings 1 can be determined as the largest value of for which 2=12+14. This equation comes from carefully accounting for the genotypes for the present generation the 2 term in terms of those previous two generations represented by for the parents generation and by the constant term of the grandparents generation. a Find both solutions to the quadratic equation above and identify which is 1 use a horizontal span of 1 to 1 in this exercise and the following exercise. b After 5 generations, what proportion of the population will be homozygous? c After 20 generations, what proportion of the population will be homozygous?

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