Can someone tell me the answer plz I’ll give you brainlist and points NO WRONG ANSWERS

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 point lies on a circle with a radius of 5 units and center at p(6, 1)?

If np3 /nc2 = 6, find the value of n