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The pulse rates of 152 randomly selected adult males vary from a low of 37 bpm to a high of 117 bpm. Find the minimum
The pulse rates of 152 randomly selected adult males vary from a low of 37 bpm to a high of 117 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 95% confidence that the sample mean is within 3 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 = 171
(Round up to the nearest whole number as needed.)
b. Assume that o = 10.3 bpm, based on the value s = 10.3 bpm from the sample of 152 male pulse rates.
n =
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