Jill has 2 black, 4 blue, 1 yellow, 2 orange, and 3 purple crayons in a bag. Without looking she pulls out a crayon. What is the
1 answer:
Answer:
1/6
Step-by-step explanation:
Number of orange crayons = 2
Total number of crayons = 2 + 4 + 1 + 2 + 3 = 12
Probability is calculated as:
Here the favorable or desired outcome is picking up an orange crayon. So number of favorable outcomes will be 2 as 2 orange crayons are available.
Total number of outcomes is 12 which is the sum of all the crayons available.
So, the probability the crayon she pulls out will be orange =
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Answer:
don't ask for an explanation. your answer is below.
Step-by-step explanation:
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