Mathematics, 19.04.2021 08:40 alexmiranda00
A long history of testing water samples in a certain lake has shown that the level of a certain pollutant is approximately normally
distributed with standard deviation 4.5 mg/L. What is the minimum number of samples required to estimate today's level to within 0.4
mg/L with 95% confidence? (Don't forget to round Zc to two decimal places!)
Answers: 2
Mathematics, 21.06.2019 13:00
Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.
Answers: 1
Mathematics, 21.06.2019 17:00
In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.
Answers: 2
Mathematics, 21.06.2019 17:30
Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x
Answers: 3
Mathematics, 22.06.2019 02:10
Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months
Answers: 2
A long history of testing water samples in a certain lake has shown that the level of a certain poll...
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