Klein stated before 7:10 meg inlinewhich shows this distance written as a decimal
1 answer:
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Answer:
0.1938 = 19.38% probability that a package is delivered by UPS if it weighs 2 lbs or more
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is
In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
In this question:
Event A: It weighs 2 lbs or more
Event B: Delivered by UPS
15% of the packages that are delivered by UPS weighs 2 lbs or more.
This means that
More than 2 lbs:
15% of 20%(UPS)
93% of 80%(Not delivered by UPS). So
a. What is the probability that a package is delivered by UPS if it weighs 2 lbs or more
0.1938 = 19.38% probability that a package is delivered by UPS if it weighs 2 lbs or more