misa11234
18.10.2020 •
Mathematics
Water well depths are normally distributed with a mean of 225 m and a standard deviation of 70 m. What is the probability that a single randomly selected well is: (a) less than 120 m deep? (b) between 100 m and 200 m deep?
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Ответ:
14 and 10???
Step-by-step explanation:
sorry if its not right