Tree heights: Cherry trees in a certain orchard have heights that are normally distributed with mean mu =117 inches and standard deviation sigma =1 4 What is the probability that a randomly chosen tree is between 90 and 102 inches tall?
Added by Jennifer V.
Step 1
For 90 inches: z = (90 - 117) / 14 = -27 / 14 ≈ -1.93 For 102 inches: z = (102 - 117) / 14 = -15 / 14 ≈ -1.07 Show more…
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