Mathematics, 20.03.2020 02:58 rjmarin592ovzbn9
Among various ethnic groups, the standard deviation of heights is known to be approximately three inches. We wish to construct a 95% confidence interval for the mean height of males from a certain country. Forty-five males are surveyed from a particular country. The sample mean is 71 inches. The sample standard deviation is 2.3 inches.
a). Construct a 95% confidence interval for the population mean height of males of this country.
Answers: 2
Mathematics, 21.06.2019 16:40, chrisraptorofficial
14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a. m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum. how many seats does the larger van have?
Answers: 1
Mathematics, 22.06.2019 01:30, colebash88
Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95
Answers: 1
Among various ethnic groups, the standard deviation of heights is known to be approximately three in...
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