If the underlying trials are positively dependent (meaning that a success, say, is more likely followed by another success), would you expect the variance of the total number of successes to be larger or smaller than the binomial expression np(1 – p)?
Answer to relevant QuestionsIn the taste test of Exercise 27, are we more likely to find that the four customers prefer the same brand or to find their opinions evenly divided between the two brands? A manufacturer of LCD panels used in computer displays has decided to ship only panels with at most one defective pixel. Defective pixels are the result of randomly located flaws in the glass used to make the panel. To be ...Managers of an office selected a committee of five employees to participate in discussions on how to revise the flow of work in the office. The office has 25 employees, of which 10 are men. If the committee is selected at ...If X1 ~ N(μ , σ) and X2 ~ N(μ , σ) are iid, then what is the distribution of (X1 - X2) / (√2σ)? A contractor built 30 similar homes in a suburban development. The homes have comparable size and amenities, but each has been sold with features that customize the appearance, landscape, and interior. The contractor expects ...
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