Calculate the 95% log-transformed confidence interval for H(3), based on the Nelson-Aalen estimate. ҚА) (0.30, 0.89) (B) (0.31, 1.54) (C) (0.39, 0.99) (D) (0.44, 1.07) (E) (0.56, 0.79)
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- The type of battery in Jim's laptop has a lifetime X (in years) which follows a Weibull distribution with parameters α=2 and β=4. The type of battery in Jim's tablet has a lifetime Y (in years) which follows an exponential distribution with parameter λ=1/4.Find E(XY−2Y).(Answer as a decimal number, and round to 2 decimal places).TF.8Consider independent observations y₁, ..., yn from the model Y₁ likelihood 1(µ) as appropriate, compute the following items. 1. Derive the maximum likelihood estimate û. 2. Write the second derivative of log-likelihood 1(μ). Poisson(μ). Using likelihood L(µ) and log-
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- In recent years, approximately 55% of eligible voters take the time to vote in presidential elections. A poll based on a random sample of 200 eligible voters finds that 128 plan to vote in the next presidential election. Does this data provide convincing evidence at the ?α = 0.05 level that the proportion of eligible voters who will take time to vote in the next presidential election differs from 0.55?Suppose that X has a lognormal distribution with parameters θ = 5 and ω2 = 9. Determine the following: a. P(X < 13,300)b. Value for x such that P(X ≤ x) = 0.95c. Mean and variance of XBased on the same logistic regression, what is the probability of having Diabetes among obese people in the simple (i.e.: the proportion of obese people with Diabetes?
