Mathematics, 02.04.2021 09:00, lusciousl
A standard weight known to weigh 10 grams. Some suspect bias in weights due to manufacturing process. To assess the accuracy of a laboratory scale, that weight is weighed repeatedly. The scale readings are normally distributed with unknown mean. The population standard deviation of the scale readings is known to be 0.0003 gram.
(a) The weight is weighed FIVE times. The mean result is 10.0044 grams. Give a 98% confidence interval for the mean weight. Please keep 5 decimals in your answer.
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(b) How many measurements must be averaged to get a margin of error of +/- 0.0001 with 98% confidence? Your answer must be a whole number.
Answers: 1
Mathematics, 21.06.2019 19:00, hannahmckain
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Mathematics, 21.06.2019 21:30, francescanajar5
Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.
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Mathematics, 22.06.2019 02:00, brianna5626
Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 β 2m6 + 5m2n4 β m3n3 + n6 β 4m6 + 9m2n4 β mn5 β 4m3n3 n6 + 7mn5 + 14m2n4 β 5m3n3 β 6m6 β2m6 β 5m3n3 + 14m2n4 + 7mn5 + n6 14m2n4 + 7mn5 β 6m6 β 5m3n3 + n6 n6 β 6m6 + 7mn5 + 14m2n4 β 5m3n3 show work
Answers: 1
A standard weight known to weigh 10 grams. Some suspect bias in weights due to manufacturing process...
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