BIG Corporation produces just about everything but is currently interested in the lifetimes of its batteries. To investi

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Big Corporation Produces Just About Everything But Is Currently Interested In The Lifetimes Of Its Batteries To Investi 1 (15.58 KiB) Viewed 9 times

BIG Corporation produces just about everything but is currently interested in the lifetimes of its batteries. To investigate its new line of Ultra batteries, 810 randomly selects 1000 Ultra batteries and finds that they have a mean lifetime of 876 hours, with a standard deviation of 93 hours, Suppose that this mean and standard deviation apply to the population of all Ultra batteries. Complete the following statements about the distribution of lifetimes of all Ultra batteries. ? (a) According to Chebyshev's theorem, at least (Choose one) of the fetimes lie between 690 hours and 1062 hours (b) According to Chebyshev's theorem, at least (about 89%) of the Metimes le between hours and hours. (Round your answer to the nearest whole number) Save For Later