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Unimodal and symmetric and so the empirical rule applies

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Reference no: EM132361910

Use the following information for questions (10) - (12). The mean number of apples on an apple tree is 150 with a standard deviation of 15. Assume the distribution of number of apples on a tree is unimodal and symmetric and so the Empirical Rule applies.

1. What is the probability a randomly chosen tree will have between 120 and 180 apples? (a) 68% (b) 95% (c) 99.7%

2. What is the probability a randomly chosen tree has between 120 and 135 apples? (a) 34% (b) 13.5% (c) 81.5% (d) 68%

Reference no: EM132361910

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