ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 203 - 207 of 472
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Question 203
Question
MCQ▾If Ω is a sample space the P (Ω) = ________ and can be explained by ________ perspective of probability. The correct choice for filling the blanks is?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1 and classical | |
b. | 1 and empirical | |
c. | 0 and classical | |
d. | 1 and axiomatic | |
Question 204
Question
MCQ▾Which of the following cannot be the example of exponential random variable?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | The distance we travel along a road until we find the next pothole. | |
b. | Number of pizza a person eats in a month. | |
c. | The time until the next jobs arrives at a database server. | |
d. | All of the above | |
Question 205
Question
MCQ▾A randomly chosen child repeatedly hits a bell. X is the length of time it takes to break it open. Is the random variable X discrete or continuous?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Discrete | |
b. | Sometime discrete sometime continuous | |
c. | can՚t say anything. | |
d. | Continuous | |
Question 206
Question
MCQ▾If , then what will be the standard deviation of ?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 59.8 | |
b. | 261.2 | |
c. | 161.4 | |
d. | 120.5 | |
Question 207
Question
MCQ▾Which of the following is skewness of a standardized Bernoulli distributed random variable which takes the value 1 with success probability of and the value 0 with failure probability of ?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||