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Mathematics, 16.11.2019 05:31, gabriellarose2930
The pulse rates of 155 randomly selected adult males vary from a low of 41 bpm to a high of 109 bpm. find the minimum sample size required to estimate the mean pulse rate of adult males. assume that we want 90% 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 Ο n= type a whole (type a whole number.)
b. assume that Ο = 11.6 bpm, based on the value s = 11.6 bpm from the sample of 155 male pulse rates. n= (type a whole number.)
c. compare the results from parts (a) and (b). which result is likely to be better?
the result from part ( result from part (b). the result likely
larger than
smaller than
the same
size as
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Mathematics, 21.06.2019 22:30, CatelynBGray
Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%
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The pulse rates of 155 randomly selected adult males vary from a low of 41 bpm to a high of 109 bpm....
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