STA301 Midterm Solved MCQs by Uzair

STA301- Statistics and Probability · Solved MCQ(S) · From Midterm Papers (1 TO 22 Lectures) · V-U

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MidTerm Papers Solved MCQS with Reference (1 to 22 lectures)

1. The probability of drawing a "white” ball from a bag containing 4 red, 8 black and 3 white balls is:

o 0 o

o

o The total probability of choosing white ball is 4 + 8 + 3=15, 3/15

2. If the probability of one event does not affected by the occurrence of another event then both events are:

o Not Mutually Exclusive

PG # 162 ( Lec # 22 ) · Fall,2019 · WHATAPPS- Gmail ID: uzairbaloch140 · BY M.UZAIR BALOCH

3. A die is rolled. What is the probability of getting a number that is an even number and greater than 2.

o 1/2 o 1/3 o 2/3 o 5/6

2, 4, 5, 6: even or greater than 2. That means 2 out of 6 is 2/3

4. The collection of all the elements under study is called:

o Population

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o Sample o Data o Registration

5. The mode value from raw data can be obtained by the help of

o Dot plot

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o Stem and leaf plot o Bar chart o None of these

6. A student solved 25 questions from first 50 questions of a book. The probability that he will solve the remaining all questions is:

o 0.25 o 0.5 o 1 o 0

7. The difference between the largest and the smallest data values is called the

o Variance o Interquartile range

o Range

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o Coefficient of variation

8. Which one is the formula of mid-quartile range:

o Q Q

o Q Q

o Q Q

o Q Q

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9. For the given data 2, 3, 7, 0, -8; G. M will be:

o Negative o Positive o Zero

o Undefined

Geometric mean cannot be calculated for negative values

10. If X and Y are independent variables then Var (X-Y) =

o Var(X) - Var(Y)

o Var(X) + Var(Y) o Var(X+Y) o Var(X)  Var(Y)