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BIG Corporation produces just about everything but is currently interested in the lifetimes of its batteries, hoping to obtain its share of a market boosted
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(a) According to Chebyshev's theorem, at least 84% of the lifetimes lie between hoursand hours. (Round your answer to the nearest integer.) (b) According to Chebyshev's theorem, at least?56%75%84%89%of the lifetimes lie between 646 hours and 982 hours. (c) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately?68%75%95%99.7%of the lifetimes lie between 646 hours and 982 hours. (d) Suppose that the distribution is bell-shaped. According to the empirical rule, approximately 99.7% of the lifetimes lie between hoursand hours. |
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