Mathematics, 08.11.2019 01:31 Bekks

# It is known that 65% of all brand a external hard drives work in a satisfactory manner throughout the warranty period (are "successes"). suppose that n = 15 drives are randomly selected. let x = the number of successes in the sample. the statistic x/n is the sample proportion (fraction) of successes. obtain the sampling distribution of this statistic. [hint: one possible value x/n is 0.2, corresponding to x = 3. what is the probability of this value (what kind of random variable is x)? ] (round your answers to three decimal places.)

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Mathematics, 21.06.2019 14:30

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

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Mathematics, 21.06.2019 21:30

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

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Mathematics, 21.06.2019 22:30

Study studied the birth weights of 1,562 babies born in the united states. the mean weight was 3234 grams with a standard deviation of 871 grams. assume that birth weight data are appromixatrly bell shaped. estimate the number of newborns who weighed between 1492 grams and 4976 grams.

Answers: 1

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