Giving - easy one - must be correct and work is shown.

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.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are: