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If event P (A) = 0.6, P (B) = 0.7 and P (B/A) = 0.3, find P (A and B) A fair coin is tossed
- If event P (A) = 0.6, P (B) = 0.7 and P (B/A) = 0.3, find P (A and B)
- A fair coin is tossed 4 times, what is the probability that all 4 tosses are heads?
- A fair coin is tossed 3 times, what is the probability the sequence of rolls is 1, 2, 3?
- A fair dice is rolled 3 times, what is the probability that all 3 rolls are 6,6,6?
- US Senators, The following table displays 100 senators of the 112 Congress January 2011
Male Female Total
Democrats 39 12 51
Republican 42 5 47
Independent 2 0 2
Total 83 17 100
- What is the probability that the senator is a woman?
- What is the probability that the senator is a Republican?
- What is the probability that the senator is a Republican and a woman?
- If the senator is woman, what is the probability that she is a Republican?
- The probability that a certain type of new car will need repairs in the first year is 0.3. A dealer sells 5 of such cars. What is the probability that "at least one" of them will require repairs in the first year?
- Find the complement of the event?
A sample of 200 internet users is selected.
- More than 200 of them use google as their primary search engine.
- At least 200 of them use Google as their primary search engine.
- Exactly 200 of them use Google as their primary search engine
- Please show work and not just the answer.
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