The Timer has started 10:00

1)
A quantity obtained by applying certain rule or formula is known as
 A) Estimate
 B) Estimator

2)
Criteria to check a point estimator to be good involves
 A) Consistency
 B) Unbiasedness
 C) Efficiency
 D) Above all

3)
The Fdistribution always ranges from:
 A) 0 to 1
 B) 0 to 8
 C) 8 to +8
 D) 0 to +8

4)
Parameter is a ………quantity.
 A) Constant
 B) Variable

5)
A failing student is passed by an examiner. It is an example of:
 A) Type I error
 B) Type II error
 C) No information regarding student exams
 D) Type III error

6)
For two mutually exclusive events A and B, P (A) = 0.2 and P (B) = 0.4, then P(AUB) is:
 A) 0.8
 B) 0.2
 C) 0.6
 D) 0.5

7)
An urn contains 4 red balls and 6 green balls. A sample of 4 balls is selected from the urn without replacement. It is the example of:
 A) Binomial distribution
 B) Hypergrometric distribution
 C) Poisson distribution
 D) Exponential distribution

8)
If P(AnB) = 0.12 P (A) = 0.3, find P (B) where ‘A’ and ‘B’ are independent:
 A) 0.1
 B) 0.2
 C) 0.3
 D) 0.4

9)
The mean deviation of the normal distribution is approximately:
 A) 7/8 of the S.D
 B) 4/5 of the S.D
 C) 3/4 of the S.D
 D) 1/2 of the S.D

10)
We use the Poisson approximation to the binomial when:
 A) p is 0.01 or less & n is 10 or more
 B) p is 0.05 or less & n is 20 or more
 C) p is 0.04 or less & n is 15 or more
 D) p is 0.02 or less & n is 10 or more