Mathematics, 07.03.2020 04:40 christi1175
An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average birth weight was x = 119.6 ounces. Suppose the standard deviation is known to be σ = 6.5 ounces. Assume that in the population of all babies born in this hospital, the birth weights follow a Normal distribution, with mean μ . The standard deviation of the sampling distribution of the mean is: a. 0.38 ounces. b. 6.52 ounces. c. 1.30 ounces. d. 0.02 ounces.
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I'm confused on this could anyone me and show me what i need to do to solve it.
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Which statement about the annual percentage rate (apr) is not true?
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Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered
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An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average bir...
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