1. Which of the following statements are correct? The term probability refers to
ID: 3181474 • Letter: 1
Question
1. Which of the following statements are correct?
The term probability refers to the study of certainty.
With sample space S = {1,2,3,4,5,6}, and event A = {3,4,5,6}, then A'= {1,2,3,4}.
When events A and B have no outcomes in common, they are said to be mutually exclusive or disjoint events.
All of the above
None of the above
2.Suppose there are 20 sample obtained at equally spaced time points, and n = 4 observations in each sample. If the sum of the 20 sample standard deviations is 42, then the 3-sigma control limits LCL and UCL for an s control chart are respectively
1.062 and 3.138
3.138 and 4.765
0.0 and 4.759
-.354 and 4.554
-.565 and 4.765
a.The term probability refers to the study of certainty.
b.With sample space S = {1,2,3,4,5,6}, and event A = {3,4,5,6}, then A'= {1,2,3,4}.
c.When events A and B have no outcomes in common, they are said to be mutually exclusive or disjoint events.
d.All of the above
e.None of the above
Explanation / Answer
1) All of the following statements are correct
We write A as the set of outcomes {1, 2} and B = {4, 6}. These sets are commonly called events. Because A and B have no elements in common, they are disjoint events
Answer is option D)
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