50% of babies are born female. Olive wants to find the probability that 20 or more of the 50 babies born today were female. If w
e use a double-sided coin and assign heads as females and tails
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Convert minute to seconds (1 minute = 60 seconds), set up a proportion, cross multiply, and solve.
Proportion: =
Cross multiply: 60 · 100 = 5 · x
Solve (divide both sides by 5): 1200 = x
Answer: 1200 ft