Show that the characteristic function of a random variable X satisfies |1 - 0(t)| ≤ EtX.
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A: given data μ = 79 inchesσ = 3.5 inchesn = 8P(x¯<81) = ?
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Q: Suppose that Z is a discrete random variable with positive expectation. If Var(Z) = 3 and E(Z²) = 4,…
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Q: A bag contains 6 white and 4 black balls.2 balls are drawn at random. Find the probability that they…
A: 10 balls=6(white)+4(black) nCr=n!/(r!(n-r)!) r!=r(r-1)×..3×2×1
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Q: 1. Problem on equity forward: Calculate the no-arbitrage forward price for a 60-day forward on a…
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Q: A 95% confidence interval for p the proportion of supermarket customers who do not buy house-brand…
A: Solution: Given information: Margin of error= =0.04 z*= 1.96 for a 95% Confidence level.
Q: Finding the probability of a range looks kinda tricky. How do I do it? Type your Answer DO
A: introduction From the above question we have to Finding the probability of a range looks kinda…
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Q: A shipping company handles containers in three different sizes: (1) 27 ft³ (3 × 3 × 3), (2) 125 ft³,…
A: given data μ1 = 200μ2 = 260μ3 = 110σ1 = 11σ2 = 13σ3 = 7y = 27x1+125x2+512x3
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A: Given: mean(μ)=14 standard deviation(σ)=16=4 n=40
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Q: kg and a standard deviation of 2.4 kg. What is the 95% confidence interval? Write the lower value of…
A: It is given that Sample mean, X̄ = 30 Sample standard deviation, s = 2.4 Sample size, n = 50
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Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…
A: given data, no. of success=x=97n=285p^=xn=97285=0.3404 CI:=0.99α=1-0.99=0.01
Q: For standard normal distribution find area to the right of 1.5
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A: Given that, Population mean, μ=226.2 Population standard deviation, σ=29.8 Sample size, n = 133
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