Mathematics, 17.02.2020 16:54 viktoria1198zz
You become suspicious when a genetics researcher randomly selects groups of 20 newborn babies and seems to consistently get 10 girls and 10 boys. The researcher claims that it is common to get 10 girls and 10 boys in such cases. If 20 newborn babies are randomly selected, how many different gender sequences are possible? How many different ways can 10 girls and 10 boys be arranged in sequence? What is the probability of getting 10 girls and 10 boys when 20 babies are born? Based on the preceding results, do you agree with the researcher’s explanation that it is common to get 10 girls and 10 boys when 20 babies are randomly selected?
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