Mathematics, 27.11.2019 22:31 Brad9941
The following measurements (in picocuries per liter) were recorded by a set of carbon monoxide detectors installed in a laboratory facility: 238.6,168.3,192.4,237.6,204.2,155.3 ,233 using these measurements, construct a 99% confidence interval for the mean level of carbon monoxide present in the facility. assume the population is approximately normal.
Answers: 3
Mathematics, 21.06.2019 18:00
Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided
Answers: 1
Mathematics, 21.06.2019 19:20
1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?
Answers: 3
Mathematics, 21.06.2019 20:30
2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.
Answers: 1
The following measurements (in picocuries per liter) were recorded by a set of carbon monoxide detec...
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