A population geneticist is studying the genes found at two
Chapter 6, Problem 10E(choose chapter or problem)
A population geneticist is studying the genes found at two different locations on the genome. He estimates the proportion \(p_{1}\) of organisms who have geneA at the first locus to be \(\hat{p}_{1}=0.42\), with uncertainty \(\sigma_{1}=0.049\). He estimates the proportion of organisms that have gene B at a second locus to be \(\hat{p}_{2}=0.23\), with uncertainty \(\sigma_{2}=0.043\). Under assumptions usually made in population genetics (Hardy–Weinberg equilibrium), \(\hat{p}_{1}\) and \(\hat{p}_{2}\) are independent and normally distributed, and the proportion p of organisms that have both genes A and B is estimated with \(\hat{p}=\hat{p}_{1} \hat{p}_{2}\).
a. Compute \(\hat{p}\) and use propagation of error to estimate its uncertainty.
b. Assuming \(\hat{p}\) to be normally distributed, find the P-value for testing \(H_{0}: p \geq 0.10\).
c. Generate an appropriate simulated sample of values \(\hat{p}^{*}\). Is it reasonable to assume that \(\hat{p}\) is normally distributed?
Equation Transcription:
Text Transcription:
p_1
p_1=0.42
sigma_1=0.049
p_2=0.23
sigma_2=0.043
hat{p}1
hat{p}2
hat{p}=hat{p}1hat{p}2
hat{p}
hat{p}
H_0:p{>/=}0.10
hat{p}^*
hat{p}
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