tes of 167 randomly selected adult males vary from a low of 40 bpm to a high of 104 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 99% confidence that i in 2 bpm of the population mean. Complete parts (a) through (c) below. ample size using the range rule of thumb to estimate o. o the nearest whole number as needed.). mat o=11.2 bpm, based on the value s = 11.2 bpm from the sample of 167 male pulse rates. o the nearest whole number as needed.) the results from parts (a) and (b). Which result likely to be better? om part (a) is the result from part (b). The result from CII s likely to be better because

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The pulse rates of 167 randomly selected adult males vary from a low of 40 bpm to a high of 104 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 99% confidence that the sample
mean is within 2 bpm of the population mean. Complete parts (a) through (c) below.
a. Find the sample size using the range rule of thumb to estimate o.
n =
(Round up to the nearest whole number as needed.)
b. Assume that o = 11.2 bpm, based on the value s = 11.2 bpm from the sample of 167 male pulse rates.
n=
(Round up to the nearest whole number as needed.)
c. Compare the results from parts (a) and (b). Which result is likely to be better?
The result from part (a) is
the result from part (b). The result from
is likely to be better because
Transcribed Image Text:The pulse rates of 167 randomly selected adult males vary from a low of 40 bpm to a high of 104 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 99% confidence that the sample mean is within 2 bpm of the population mean. Complete parts (a) through (c) below. a. Find the sample size using the range rule of thumb to estimate o. n = (Round up to the nearest whole number as needed.) b. Assume that o = 11.2 bpm, based on the value s = 11.2 bpm from the sample of 167 male pulse rates. n= (Round up to the nearest whole number as needed.) c. Compare the results from parts (a) and (b). Which result is likely to be better? The result from part (a) is the result from part (b). The result from is likely to be better because
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