A study suggests that the weights of newborn babies in USA are normally distributed with a mean of ?=8.37lb and a standard deviation of ?=1.5lb. A) What is the probability that a randomly chosen newborn baby has weight more than 9.855 lb? Such a probability is (Round your answer to 4 decimal places). B) What is the probability that a randomly chosen newborn baby has weight less than 11.535 lb? Such a probability is (Round your answer to 4 decimal places). C)What is the probability that a randomly chosen newborn baby has weight between 9.285 lb and 10.26 lb? Such a probability is (Round your answer to 4 decimal places).
A study suggests that the weights of newborn babies in USA are
A) What is the
Such a probability is
(Round your answer to 4 decimal places).
B) What is the probability that a randomly chosen newborn baby has weight less than 11.535 lb?
Such a probability is
(Round your answer to 4 decimal places).
C)What is the probability that a randomly chosen newborn baby has weight between 9.285 lb and 10.26 lb?
Such a probability is
(Round your answer to 4 decimal places).
D)Find the 92 th percentile, ?92, which is the weight that separates the bottom 92% birth weights for babies in USA from the top 8%.
Such a percentile is ?92=
(Round your answer to 2 decimal places).
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