irenecupcake4348
25.07.2020 •
Mathematics
The average life a manufacturer's blender is 5 years, with a standard deviation of 1 year. Assuming that the lives of these blenders follow approximately a normal distribution, find the probability that the mean life a random sample of 25 such blenders falls between 4.8 and 5.3 years.
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Ответ:
2
Step-by-step explanation:The answer is 2. Because you have to subtract 3 from 1.And when you do that you get 2.So your answer is 2.