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3. In two common species of flowers, A and B, the proportions of flowers that are blue are pa and pi, respectively. Suppose that independent random samples of 50 species-A flowers and 100 species-B flowers are selected. Let Pa be the sample proportion of blue species-A flowers and p,, be the sample proportion of blue species-B flowers. What is the mean of the sampling distribution of pa - Pb? (MA) Pa - Pb Pr (B) (C) (D) (E) Pa - Pr Pa (1-Pa) 50 + Pa(1-Pa) 50 Pr(1-P) 100 + Pb(1-P) 100

3. In two common species of flowers, A and B, the proportions of flowers that are blue are pa and pi, respectively. Suppose that independent random samples of 50 species-A flowers and 100 species-B flowers are selected. Let Pa be the sample proportion of blue species-A flowers and p,, be the sample proportion of blue species-B flowers. What is the mean of the sampling distribution of pa - Pb? (MA) Pa - Pb Pr (B) (C) (D) (E) Pa - Pr Pa (1-Pa) 50 + Pa(1-Pa) 50 Pr(1-P) 100 + Pb(1-P) 100

MATLAB: An Introduction with Applications
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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how would you do this? ignore my answer i was just guessing. this is a non graded practice mcq
3. In two common species of flowers, A and B, the proportions of flowers that are blue are pa and pb, respectively. Suppose that independent random samples of 50 species-A flowers and 100 species-B flowers are selected. Let Pa be the sample proportion of blue species-A flowers and p,, be the sample proportion of blue species-B flowers. What is the mean of the sampling distribution of Pa - Pb? (A) Pa - Pb (B) 50-100 (C) (D) (E) Pa - Pt Pa(1-Pa) Pb(1-P) 50 100 + Pa(1-Pa) 50 + Pb(1-P) 100
Transcribed Image Text:3. In two common species of flowers, A and B, the proportions of flowers that are blue are pa and pb, respectively. Suppose that independent random samples of 50 species-A flowers and 100 species-B flowers are selected. Let Pa be the sample proportion of blue species-A flowers and p,, be the sample proportion of blue species-B flowers. What is the mean of the sampling distribution of Pa - Pb? (A) Pa - Pb (B) 50-100 (C) (D) (E) Pa - Pt Pa(1-Pa) Pb(1-P) 50 100 + Pa(1-Pa) 50 + Pb(1-P) 100
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