Solution of alcohol and water is 80% alcohol. Solution is found to contain 32 milliliters of alcohol. How many milliliters total both alcohol and water are in the solution

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)