69-2 The pulse rates of 149 randomly selected adult males vary from a low of 45 bpm to a high of 121 bpm. Find the minimum sample sizerequired to estimate the mean pulse rate of adult males. Assume that we want 95% confidence that the sample mean is within 2 bpm of thepopulation mean. Complete parts (a) through (c) below.a. Find the sample size using the range rule of thumb to estimate G.n = 347(Round up to the nearest whole number as needed.)b. Assume that o = 10.1 bpm, based on the value s = 10.1 bpm from the sample of 149 male pulse rates.n=(Round up to the nearest whole number as needed.)

From given : maximum = 121 minmum = 45 confidence level = 95% within mean = 2

a. Find the sample size using the range rule of thumb to estimate o n = 347 (Round up to the nearest whole number as needed.) b. Assume that o=10.1 bpm, based on the value s = 10.1 bpm from the sample of 149 male pulse rates. n= (Round up to the nearest whole number as needed.)

a. Find the sample size using the range rule of thumb to estimate o n = 347 (Round up to the nearest whole number as needed.) b. Assume that o=10.1 bpm, based on the value s = 10.1 bpm from the sample of 149 male pulse rates. n= (Round up to the nearest whole number as needed.)

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter29: Tolerance, Clearance, And Interference

Section: Chapter Questions

Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...

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Question

69-2

The pulse rates of 149 randomly selected adult males vary from a low of 45 bpm to a high of 121 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 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 G.
n = 347
(Round up to the nearest whole number as needed.)
b. Assume that o = 10.1 bpm, based on the value s = 10.1 bpm from the sample of 149 male pulse rates.
n=
(Round up to the nearest whole number as needed.)

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