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
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