If answer is correct I’ll give brainliest

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 square root of 45? (step by step working plz)

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with