How to do this problem 2 + 1/8 - 1 1/3

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.

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x