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Mathematics, 11.03.2020 02:40, nickocasamplonp6mlob
A consumer advocacy group tested the "on-air" lifetimes a random sample of 241 cell phone batteries. The mean lifetime was 3.2 hours with a standard deviation of 0.1 hours. The lifetimes are approximately bell-shaped. Estimate the number of batteries with lifetimes between 3.0 hours and 3.4 hours. A) 164. B) 12.C) 229.D) Almost all (greater than 229).
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Mathematics, 21.06.2019 20:40, selenamr
Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
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A consumer advocacy group tested the "on-air" lifetimes a random sample of 241 cell phone batteries....
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