The probability of getting at least one head when two balance coins are tossed once __________________?

Related Mcqs:

1. The probability of getting exactly three tails when three balanced coins are tossed once _______________?

   A. 1/8
   B. 2/8
   C. 5/8
   D. 7/8

2. The probability of getting exactly two heads when two balanced coins are toss once_________________?

   A. 1/4
   B. 2/4
   C. 3/4
   D. 4/4

3. If a card is chosen from a standard deck of cards, what is the probability of getting a diamond (♦) or a club (♣)?

   A. 26/52=1/2
   B. 13/52
   C. 20/52
   D. 12/52

4. If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven ?

   A. 4/52
   B. 1/26
   C. 8/52
   D. 1/169

5. For a probability density function (pdf), the probability of a single point is_____________?

   A. 1
   B. 2
   C. 0
   D. Constant

6. A set of events is said to be independent if probability of head on tossing a coin is _______________?

   A. 1/2
   B. 2/3
   C. 1
   D. 3/4

7. if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?

   A. 4/36
   B. 13/36
   C. 21/36
   D. 15/36

8. In a Poisson probability distribution __________________?

   A. The mean and variance of the distribution are same (equal)
   B. The probability of success is always greater than 5
   C. The number of trials is always less than 5
   D. it always contains a contingency table

9. In binomial experiment, the probability of success is denoted by __________________?

   A. P
   B. q
   C. P
   D. 1 -P

10. The probability of drawing a picture card out of 52 cards is : ______________?

    A. 13/52
    B. 12/52
    C. 16/52
    D. 3/52