Determine the approximate probability
If the distribution of the income of US households is approximately normal with the mean = $50k and standard deviation = $20k, determine the approximate probability that in a random sample of 100 US households, your sample mean is less than $46k?
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State total cost of installation as function of x. (you may like select toanswer part (c) before part (b) if you would like to analyze concrete instances before creating equation.)
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A sample which is having 1.621 gram of an unknown organic compound having C, H and O only was combusted in the presence of an excess of oxygen gas. Study of the products revealed that 3.095 grams of carbon dioxide and 1.902 grams of water were for
Draw an efficient synthesis to make the decade from the acetylene and 1-butene. Suppose you may use any necessary organic of the inorganic reagent.
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Assume a certain species bird has average weight of [xbar] = 3.55 grams. Based upon previous studies, we can suppose that the weights of these birds have normal distribution with ? = 0.37 grams.
Calculate the mass of lead sulfate is produced in a lead-acid storage battery when the 1.14 g of Pb undergoes the oxidation?
Describe how much energy does this corresponding to in kJ/mol when the MRI (magnetic resonance imaging) body scanners used in the hospitals operates with the 400 MHz (4.00 x 108s-1 radiofrequency.
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