Abag contains 8 white marbles, 4 black marbles, and 3 red marbles. you pick out a marble, record it's color, and put the marble back in the bag. if you repeat this process 45 times, about how often do you expect to remove a red or white marble from the bag?

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

Which of the following graphs represents the function f(x) = 2^x

Find the area of the regular hexagon if a side is 20 cm.