Q2 A consumer survey has derived the following probability distribution for the number of coffee cups drunk per day by adult New Zealanders: no of cups 0 1 2 3 4 5 6 7 >7 male 0.40 0.34 0.12 0.05 0.04 0.03 0.01 0.01 0.00 female 0.47 0.08 0.06 0.02 0.01 0.01 0.00 0.00