Question Description

Weights of Newborn Hippos The weight of newborn hippopotami is approximately Normal, with a mean of 88 pounds and a standard deviation of 10 pounds.

a. What is the probability that a newborn hippo weighs between 90 and 110 pounds?

b. Suppose baby hippos that weigh at the 5th percentile or less at birth are unlikely to survive. What weight corresponds with the 5th percentile for newborn hippos? c. Fiona the Hippo was born at the Cincinnati Zoo in 2017, 6 weeks premature, and weighed only 29 pounds at birth. What percentage of baby hippos are born weighing 29 pounds or less?

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