Jane is taking two courses. The probability she passes the first course is 0.7. The probability she passes the second course is
0.8. The probability she passes at least one of the courses is 0.9. a. What is the probability she passes both courses?
1 answer:
Answer: p = 0.56
Step-by-step explanation: from the question, probability she passed the first course = 0.7
Probability she passed the second course = 0.8
Probability she passes both courses means probability she passes the first course "and" probability she passes the second course.
Probability she pass both courses = 0.7 * 0.8 = 0.56
Note that "and" in probability means multiplication.
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