Kyle has an aquarium in the shape of a rectangular prism. The aquarium is 24 inches long and 10 inches wide. The volume of the a
1 answer:
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Answer:
a) 0.72
b) 0.98
Step-by-step explanation:
We are given the following information in the question:
P(passing maths exam) = P(m) = 0.9
P(passing Spanish exam) = P(s) = 0.8
It is assumed that the results of the two exams are independent of each other.
a) probability that she passes both exams
By assumption of independence, we can write:
0.72 is the probability that Josie will pass both the exams.
b) probability that Josie passes at least one of the exam
0.88 is the probability that Josie passes at least one of the exams.