Is that a big baby? The average birth weight in the US is µ ≈ 120 ounces (7 pounds, 8 ounces) with a standard deviation of σ = 16 ounces (1 pound).  a. What is the probability that a child will weigh less than 116 ounces (7.25 pounds) at birth? b. So how big is a "big baby"? Let's see how big a newborn must be to be in the top 5% heaviest. First, what is the Z-score you need to use to find the top 5%? c. How much does a baby in the top 1% weigh? In other words, what is the value of X such that p(X) < 0.01? Enter your answer in ounces, not pounds.

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Is that a big baby?

The average birth weight in the US is µ ≈ 120 ounces (7 pounds, 8 ounces) with a standard deviation of σ = 16 ounces (1 pound). 

a. What is the probability that a child will weigh less than 116 ounces (7.25 pounds) at birth?

b. So how big is a "big baby"? Let's see how big a newborn must be to be in the top 5% heaviest. First, what is the Z-score you need to use to find the top 5%?

c. How much does a baby in the top 1% weigh? In other words, what is the value of X such that p(X) < 0.01? Enter your answer in ounces, not pounds.

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