A blood lead level that is considered high (defined as 30 grams/liter or more). The probability that at least one of the five randomly chosen children has a high blood lead level is 1.8.
Given that,
In the United States, lead poisoning in children is a public health concern. One out of every four kids in a certain group of kids has a blood lead level that is considered high (defined as 30 grams/liter or more).
We have to calculate the probability that at least one of the five randomly chosen children has a high blood lead level.
Here,
p is 3/10
p is 0.3
And n is 6
Probability is n×p
=6×0.3
=1.8
Therefore, The probability that at least one of the five randomly chosen children has a high blood lead level is 1.8.
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