# Question

Sketch the graphs of the following pdfs and find and sketch the graphs of the cdfs associated with these distributions (note carefully the relationship between the shape of the graph of the pdf and the concavity of the graph of the cdf):

## Answer to relevant Questions

Let f(x) = 1/2, 0 < x < 1 or 2 < x < 3, zero elsewhere, be the pdf of X. (a) Define the cdf of X and sketch its graph. (b) Find q1 = π0.25. (c) Find m = π0.50. Is it unique? (d) Find q3 = π0.75. If the mgf of X is Find (a) E(X), (b) Var(X), and (c) P(4.2 < X ≤ 4.7). Telephone calls arrive at a doctor’s office according to a Poisson process on the average of two every 3 minutes. Let X denote the waiting time until the first call that arrives after 10 a.m. (a) What is the pdf of X? (b) ...If the moment-generating function of X is given by M(t) = e500t+5000t2, find P[27, 060 ≤ (X − 500)2 ≤ 50, 240]. A customer buys a $1000 deductible policy on her $31,000 car. The probability of having an accident in which the loss is greater than $1000 is 0.03, and then that loss, as a fraction of the value of the car minus the ...Post your question

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