In 10,000 independent tosses of a coin, the coin landed on heads 5800 times. Is it reasonable to assume that the coin is not fair? Explain.
Answer to relevant QuestionsTwelve percent of the population is left handed. Approximate the probability that there are at least 20 left-handers in a school of 200 students. State your assumptions. Suppose that the life distribution of an item has the hazard rate function λ(t) = t3, t > 0. What is the probability that (a) The item survives to age 2? (b) The item’s lifetime is between .4 and 1.4? (c) A 1-year-old ...Consider Example 4b of Chapter 4, but now suppose that the seasonal demand is a continuous random variable having probability density function f. Show that the optimal amount to stock is the value s∗ that satisfies F(s∗) ...Show that Use the result that, for a nonnegative random variable Y, to show that, for a nonnegative random variable X, and make the change of variables t = xn.
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