Mathematics

Ronald Nichols

21 October, 10:43

50% of the babies are born female. Olive wants to find the probability that 20 or more of the 50 babies born today were female. We need to design a simulation. Which random device can be used to best represent this situation?

a. double sided coin heads females, tails males

b. use a random generator use number 1-100, assign 1-20 as female and 21-100 as male

c. use a pair of dice. doubles for female and the rest for male

d. use a spinner with 50 parts and assign 20 parts as female and 30 parts for male