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26.03.2020 •
Mathematics
At a computer manufacturing company, the actual size of a particular type of computer chips is normally distributed with a mean of 1 centimeter and a standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. What is the probability that the sample mean will be between 0.99 and 1.01 centimeters
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Ответ:
So, the probability is P=0.27.
Step-by-step explanation:
We know that the mean of computer chips is 1 centimeter and a standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken.
We get:
We calculate:
We use a table for standard normal distribution, and we calculate the probability:
So, the probability is P=0.27.
Ответ:
The answer would be D because smaller states were afraid of losing power to larger states.
Good Luck! Hope I helped:)