From 1965 to 1974, in U.S. there were M= 17,857,857 male livebirths and F= 16,974,194 female livebirths. We model the number of male livebirth as a binomial distribution withparameterssize = M+F and prob = p. The following code computes the maximum likelihood estimator for p. male = 17857857 female = 16974194 ll <-function(p){dbinom(male, size = male+female, prob=p, log=TRUE) } ps <-seq(0.01, 0.99, by = 0.001) ll.ps <-ll(ps) plot(ps, ll.ps, type='l') phat <- ps[which.max(ll.ps)] abline(v = phat, col='blue') QUESTION: For this problem, can you give a theoretical formula for the maximum likelihood estimator,ˆp, usingMandF? (No need to compute the numerical value.)

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From 1965 to 1974, in U.S. there were M= 17,857,857 male livebirths and F= 16,974,194 female livebirths. We model the number of male livebirth as a binomial distribution withparameterssize = M+F and prob = p. The following code computes the maximum likelihood estimator for p.

male = 17857857

female = 16974194

ll <-function(p){dbinom(male, size = male+female, prob=p, log=TRUE) }

ps <-seq(0.01, 0.99, by = 0.001)

ll.ps <-ll(ps)

plot(ps, ll.ps, type='l')

phat <- ps[which.max(ll.ps)]

abline(v = phat, col='blue')

QUESTION: For this problem, can you give a theoretical formula for the maximum likelihood estimator,ˆp, usingMandF? (No need to compute the numerical value.)

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Transcribed Image Text:0.0 0.2 0.4 0.6 0.8 1.0 ps sd'|| -6e+07 -4e+07 -2e+07 00+ə0
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