1st Year Statistics Chapter 9 TestBinomial and Hyper Geometric Probability Distribution

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. The number of trial in binomial distribution is:

   1. Not fixed

   2. Fixed

   3. Large

   4. Small

2. The parameters of the hypergeometric distribution h(x; N, n, k) are:

   1. x, N, k

   2. N, n, k

   3. x, n, k

   4. x, N, n, k

3. In which distribution the successive trials are without replacement?

   1. Hypergeometric distribution

   2. Binomial distribution

   3. Continuous distribution

   4. None of these

4. For a given binomial distribution with n fixed, if p < 0.5, then

   1. The binomial distribution will be skewed to the left

   2. The binomial distribution will be skewed to the right

   3. The binomial distribution will be symmetric

   4. None of these

5. The binomial distribution is negatively skewed if:

   1. 

   2. 

   3. 

   4. p = 1

6. Which of the following can never be described by a binomial distribution?

   1. The number of defective items produced by an assembly process

   2. The amount of water used by a single household

   3. The number of students in the class who can answer this question

   4. All of these can always be described by a binomial distribution

7. The number of possible outcomes in a Bernoulli trial is:

   1. Three

   2. Four

   3. Two

   4. One

8. In binomial distribution the range of X is:

   1. Zero to 

   2. Zero to n

   3. -1 to 

   4. Undefined

9. In a binomial experiment, the successive trials are:

   1. Dependent

   2. Independent

   3. Mutually exclusive

   4. Fixed

10. A fair die is rolled three times. The probability of getting three 'aces' is

    1. 

    2. 

    3. 

    4.