Answer to Question #165893 in Statistics and Probability for Tahani Alala

Question #165893

It was determined that the average weight of a newborn baby at the local hospital is 3.6 kg with a standard deviation of 0.7 kg. What is the probability that a newborn baby would weigh below 4.3 kg?


1
Expert's answer
2021-02-24T06:03:04-0500

"\u03bc = 3.6 \\\\\n\n\u03c3 = 0.7 \\\\\n\nP(X<4.3) = P(\\frac{x-\u03bc}{\u03c3} < \\frac{4.3-3.6}{0.7}) \\\\\n\n= P(Z < 1.0) \\\\\n\n= 0.8413"

84.13 % is the probability that a newborn baby would weigh below 4.3 kg.


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