Solve these Mcqs with Expalanation:

1. "From 7 people comprising of 5 men and 2 women, 4 people are to be selected. If random variable is count of women, what is the frequency of 2 women?"

2

0

10

None of the above

2. Probability mass function shows probabilities of all values of discrete random variable.

Yes

No

Sometimes

None of the above

3. Random variables are outcomes of deterministic experiments.

Yes

Incorrect

Could be

Always

4. Integrations sum differential element of random variable.

No

Sometimes

Yes

None of the above

5. Predicted outcome is same as expected value.

Yes

No

Both of the above

None of the above

6. "A research survey with outcomes being defined as Poor, Average, Good, Excellent is a random experiment with random variable being of type"

Quantitative

Continuous

Ordinal

None of the above

7. Probability density function gives area when integrated with respect to random variable. This area corresponds to probability density value.

Yes

No

None of the options

Both A and B

8. Any function of random variable X can serve as its PDF.

No

Yes

Sometimes

Always

9. A normal distribution with kurtosis will always have 0 skewness.

Sometimes

Always

Never

None of the above

10. The frequency distribution of count of spades in the sample of 3 cards taken randomly form standard deck of 52 cards is negatively skewed.

No

Yes

May be

None of the above