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The birthweight of newborn babies is Normally distributed with a mean of 3.39 kg and a...

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Question

Basic Math

The birthweight of newborn babies is Normally distributed with amean of 3.39 kg and a standard deviation of

0.55 kg.

(a) Find the probability that a baby chosen at random will havea birthweight of over 3.5 kg.

(b) Find the probability that an SRS of 16 babies will have anaverage birthweight of over 3.5 kg.

(c) Find the probability that an SRS of 100 babies will have anaverage birthweight of over 3.5 kg.

(d) What range of average birthweights would the largest 15% ofsamples of size 100 babies have?

Answer & Explanation Solved by verified expert
4.2 Ratings (829 Votes)
Solution Given that mean 339standard deviation 055aPx 35 1 Px 35 1 Px 35 339 055 1    See Answer
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