letsgivepece2309
07.04.2020 •
Mathematics
A particular fruit's weights are normally distributed, with a mean of 208 grams and a standard deviation of 8 grams. If you pick 2 fruit at random, what is the probability that their mean weight will be between 208 grams and 222 grams .
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Ответ:
First when looking at dialations, ignore the negative signs. They do not affect the expansion or contraction.
An expansion is any number greater than 1 and a contraction is any number less than 1.
Expansion: b) -2 and d) 2
Contraction: b) - 0.8 and d) 0.8