Mathematics, 20.09.2019 21:00 angellight4all
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normally distributed with mean 2.66 and standard deviation 0.87. (a) if a random sample of 25 specimens is selected, what is the probability that the sample average sediment density is at most 3.00? between 2.66 and 3.00? (round your answers to four decimal places.) at most 3.00 between 2.66 and 3.00 (b) how large a sample size would be required to ensure that the probability in part (a) is at least 0.99? (round your answer up to the nearest whole number.)
Answers: 1
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Mathematics, 21.06.2019 19:00
Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers
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Mathematics, 21.06.2019 21:20
Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.
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Mathematics, 22.06.2019 03:50
Acertain group of women has a 0.640.64% rate of red/green color blindness. if a woman is randomly selected, what is the probability that she does not have red/green color blindness? what is the probability that the woman selected does not have red/green color blindness? nothing (type an integer or a decimal. do not round.)
Answers: 1
Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normall...
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