STA301 Final Term Solved MCQs Mega File

STA301 FINAL TERM SOLVED MCQs · By Armaan Makhani · (VISIT VURANK FOR MORE)

1. A quantity obtained by applying certain rule or formula is known as Select correct option:

Estimate Estimator

2. Criteria to check a point estimator to be good involves

Consistency Unbiasedness Efficiency Above all

pg 258

3. The F-distribution always ranges from: Select correct

0 to 1

0 to -8 -8 to +8 0 to +8

4. 1-a is the probability of ...... Select correct option:

Type 1 error

Rejection region

Acceptance region Type 2 error

5. Parameter is a ………quantity.

Constant Variable

6. To find the estimate of a parameter …….methods are used.

Two

Three Four

Many

7. A failing student is passed by an examiner. It is an example of: Select correct option:

Type I error Type II error Correct decision

No information regarding student exams

8. For two mutually exclusive events A and B, P (A) = 0.2 and P (B) = 0.4, then P(AUB) is:
9. 8
10. 2
11. 6
12. 5

P(AUB)=P(A)+p(B)=0.2+0.4=0.6

9. An urn contains 4 red balls and 6 green balls. A sample of 4 balls is selected from the urn
10. A standard deck of 52 cards is shuffled. What is the probability of choosing the 5 of diamonds:
11. If P(AnB) = 0.12 P (A) = 0.3, find P (B) where ‘A’ and ‘B’ are independent:
12. 1
13. 2
14. 3
15. 4
16. 3X0.4=0.12
17. The mean deviation of the normal distribution is approximately: Select correct option: