PYQ Mix

by Notetube Official•25 questions•mixed•11 views

Try the first 5 questions

1.
5 fair coins tossed. P(at least one head)?
2.
Two cards drawn from a well-shuffled 52-card deck. P(both are face cards)?
3.
A and B independent. P(A) = 0.3, P(A union B) = 0.8. Find P(B).
4.
0.1% of population has a disease. Test: P(+|D) = 0.99, P(-|D') = 0.999. Person tests positive. P(disease)?
5.
A man is known to speak truth 3 out of 4 times. He throws a die and reports it is a 6. P(it is actually a 6)?

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