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2 answers:
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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.
Answer:
equation of line: y = 2x + 5
Explanation:
using the formula:
- y - y1 = m(x - x1)
- y - 5 = 2(x - 0)
- y - 5 = 2x
- y = 2x + 5
