Mathematics, 08.11.2019 20:31 chy2313
To study the metabolism of insects, researchers fed cockroaches measured amounts of a sugar solution. after 2, 5 and 10 hours, they dissected some of the cockroaches and measured the amount of sugar in various tissues. five roaches fed the sugar d-glucose and dissected after 10 hours had the following amounts, in micrograms, of d-glucose in their hindguts: 55.95, 68.24, 52.73, 21.50 and 23.78.assume the d-glucose content follows a normal distribution, construct a 95% confidence interval for the mean amount d-glucose in cockroach hindguts under these conditions.
Answers: 1
Mathematics, 21.06.2019 16:30
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
Answers: 2
Mathematics, 21.06.2019 21:20
In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?
Answers: 2
Mathematics, 21.06.2019 21:30
Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?
Answers: 1
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