If p (a)=0.84, p(b)=0.76 and p(a or b) =0.9, then p (a and b)=0.7

true or false?
why/why not?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?