According to an article in a recently published medical journal, one-third of all sets of triplets consist of allfemales, one-fourth are all male sets, and the remaining sets are of mixed gender. A simple random sample of 78sets of triplets born in the past 20 years is obtained from hospital records. The results are presented below.Gender make-up of triplets1: All female2: All male3: Mixed gender Total10115778What would be the null hypothesis for a chi-square test for testing if the claim made in the medical journal isindeed true?Ho: P1 = P2 = P3 = 5/12, where P₁, P2, and p3 represent the proportions of all female, all male, and mixedgender triplets, respectivelyHo: P₁ = 1/3, P2 = 1/4, and p3 = 5/12, where p₁, P2, and p3 represent the proportions of all female, all male,and mixed gender triplets, respectivelyHo: P1 1/4, P21/4, and p3 = 5/12, where p₁, P2, and p3 represent the proportions of all female, all male,and mixed gender triplets, respectively.

Null and alternative hypotheses: The hypothesis, which is pre assumed as true, tentatively settled…

Answered: According to an article in a recently…

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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Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A sample of 500 students taken from this year's student body showed the following number of students in each classification. Freshmen 125 Sophomores 103 Juniors 131 Seniors 141 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. The expected number of freshmen is a. 120 b. 150 c. 125 d. 250
A population of middle school students contains 160 sixth graders, 180 seventh graders, and 140 eighth graders. Nine seventh graders were part of a random sample of the population chosen to participate in a survey. For the sample to accurately represent the population, about how many sixth graders should be chosen? 7 8 14 16
The table of data obtained from www.baseball-almanac.com shows hit information for four well-known baseball players. Suppose that one hit from the table is randomly selected. NAME Single Double Triple Home Run TOTAL HITS Babe Ruth 1517 506 136 714 2873 Jackie Robinson 1054 273 54 137 1518 Ty Cobb 3603 174 295 114 4186 Hank Aaron 2294 624 98 755 3771 TOTAL 8468 1577 583 1720 12348 Find P (hit was made by Jackie Robinson). (Enter your answer as a fraction.)
The table of data obtained from www.baseball-almanac.com shows hit information for four well known baseball players. Suppose that one hit from the table is randomly selected. NAME Single Double Triple Home Run TOTAL HITS Babe Ruth 1517 506 136 714 2873 Jackie Robinson 1054 273 54 137 1518 Ty Cobb 3603 174 295 114 4186 Hank Aaron 2294 624 98 755 3771 TOTAL 8468 1577 583 1720 12348 A. Find P(hit was made by Hank Aaron). (Enter your answer as a fraction.) B. Find P(hit was made by Hank Aaron | The hit was a double). (Enter your answer as a fraction.) C.
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