Amount Ramon had to shop: 20.00 total cost of shopping trip money left over

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.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Its worth 10000000 points need asap if you answer correctly ill mark brainliest