A total of 479 tickets were sold for the school play. They were either adult tickets or student tickets. There were 71 fewer stu
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Both of these conditions must be true in order for the assumption that the binomial distribution is approximately normal. In other words, if and
then we can use a normal distribution to get a good estimate of the binomial distribution. If either np or nq is smaller than 5, then a normal distribution wouldn't be a good model to use.
side note: q = 1-p is the complement of probability p
Answer:
1.
n=11
2.
Step-by-step explanation:
Question 1:
The given equation is:
Subtract 5 from both sides:
Divide boy sides by:
-3
Question 2:
The given expresion is :
Subtract 5 from both sides
This implies that;