A small class has 10 students, 6 of whom are girls and 4 of whom are boys. The teacher is going to choose two of the students at
2 answers:
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Answer:
Step-by-step explanation:
The Central Limit Theorem estabilishes that, for a random variable X, with mean and standard deviation
, the sample means with size n of at least 30 can be approximated to a normal distribution with mean
and standard deviation
In this problem, we have that:
So