An alloy contains 26% of copper. what quantity of alloy is required to get 260g of alloy

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.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?