CK-12-Basic Probability and Statistics Concepts - A Full Course

(Marvins-Underground-K-12) #1

4.4. Binomcdf Function http://www.ck12.org



  1. For question 1, what is the probability that Janet and David will have at most 2 boys?

  2. Suppose the probability of rain for each of the next 4 days is 40%. What is the probability that it rains on 2 or
    more of the days?

  3. If a coin is flipped 35 times, what is the probability of getting 15 or fewer heads?

  4. What is the probability of getting at least 28 tails when flipping a coin 40 times?

  5. Suppose the probability of getting selected for jury duty in any particular year is 9%. What is the probability
    of getting selected for jury duty in at most 2 of the next 5 years?

  6. If you randomly choose a card from a deck of cards 24 times and return the card to the deck each time, what
    is the probability of getting fewer than 7 clubs?

  7. Brady is playing bingo, and he calculated the probability of winning any particular game to be 4%. If Brady
    plays 13 games of bingo, what is the probability that he wins at least twice?

  8. The probability of getting an even number when rolling a fair die is 50%. If a fair die is rolled 200 times, what
    is the probability of getting more than 106 even numbers?

  9. The probability of getting stopped by a red light at a particular intersection is 16%. If you randomly pass
    through the intersection 22 times, what is the probability that you get stopped by a red light 3 or fewer times?

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