Problem 5 A researcher wished to study recent entrants to the labour force to see if there was a relationship between their yearly income and their level of education. Below are the researcher's results from a random sample of recent entrants: EDUCATION LEVEL INCOME Primary Middle School University High 37 36 47 Low 49 22 23 Calculate the following: (a) P(HU) P(L and P) (c P(H or P) P(U or L) P(U and P) P((P and L) or (U and H)) P(PL)