Empirical Rule Question?
How would I solve this question using my Ti-84
The weight of baby elephant is normally distributed with mean 250 pounds and standard
deviation 50 pounds.
(c) What is the minimal weight such that a baby elephant is heavier than 70% of others?
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Verified answer
P ( x < 276.220025664 ) = P ( z < 0.524400513) = 70%