Standard Normal Probability Distribution MCQ with Answers PDF Download – Test 60

In standard normal probability distribution, the z-score of distribution will be zero if

1. x < μ
2. x > μ
3. x = μ
4. all of above

The occurrence of two events in a way that events have some connection in between is classified as

1. compound events
2. mutual events
3. connected events
4. interlinked events

The smallest numerical value is subtracted from largest numerical value and then divided to number of class desired to calculate

1. simple class interval
2. width of class interval
3. number of classes
4. manifold class intervals

To develop interval estimate of any parameter of population, the value which is added or subtracted from the point estimate is classified as

1. margin of efficiency
2. margin of consistency
3. margin of biasedness
4. margin of error

If a bag contains three fruits, 16 percent are apples, 30 percent are oranges and 20 percent some other fruit that is neither oranges nor apples then the probability of selecting an orange randomly is

1. 0.3
2. 0.45
3. 0.65
4. 0.034