| 1 |
<sup>n</sup>C<sub>r</sub> is calculated by formula |
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| 2 |
If a player well shuffles the pack of 52 playing card, then the probability of a black card form 52 playing cards is: |
- A. 1/52
- B. 13/52
- C. 26/52
- D. 4/52
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| 3 |
When each outcome of a sample is as equally likely to occur as any other, the out come are called. |
- A. Mutually exclusive
- B. Equally likely
- C. Exhaustive
- D. Not mutually
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| 4 |
A set containing only one element is called |
- A. Null set
- B. Universal set
- C. Subset
- D. Singleton set
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| 5 |
When sample space S is partitioned into some mutually exclusive events such that their union is sample space itself. Then the events are called |
- A. Simple events
- B. Compound events
- C. Equally likely events
- D. Exhaustive events
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| 6 |
P (A/B) can be evaluated by formula |
- A. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">P(A∩B)/P(B)</span>
- B. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">P(A∪B). P(B)</span>
- C. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">(A∪B)/P(B)</span>
- D. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">P(A∩B)/P(A)</span>
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| 7 |
"P<sub>r</sub> can be solved by the formula. |
- A. N!/ r!(n-r)!
- B. (n-r)!/r!
- C. n!(n-r!)
- D. n!(n-r)!/r!
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| 8 |
If an event consist of more than one sample point it is called |
- A. Simple event
- B. Compound event
- C. Exhaustive event
- D. Likely event
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| 9 |
The probability of vowel letters form the words STATISTIC is. |
- A. 2/10
- B. 3/10
- C. 0
- D. 4/10
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| 10 |
The probability of drawing a "white" ball from a bag containing 4 red, 8 black and 3 with balls is: |
- A. 0
- B. 3/15
- C. 1/15
- D. 2/15
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