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# QUIZ STA 301

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### Replies to This Discussion

1: If variance is unknown then we use Z-test if the sample size is:
Select correct option:

n=30
n=20
n<30
n=25

2: We use the General Rule of Multiplication to combine:
Select correct option:

Events those are not independent
Mutually exclusive events
Events that total more than 1.00
Events based on subjective probabilities

3: If f(x) is a continuous probability function, then P(X = 2) is:
Select correct option:

1
0
1/2
2

4: The simultaneous occurrence of two events is called:
Select correct option:

Joint probability
Subjective probability
Prior probability
Conditional probability

5: The Special Rule of Addition is used to combine:
Select correct option:

Independent Events
Mutually Exclusive Events
Events that total more than 1.00
Events based on subjective probabilities

6: How many elements are in the sample space of rolling a pair of dice:
Select correct option:

6
12
24
36

7: If we roll three fair dices then the total number of outcomes is:
Select correct option:

6
36
216
1296

8: 216 confirm kar lo
rauoct: The total area under the normal curve is:
Select correct option:

0
1
0.5
0.75

9: When a coin is tossed 3 times, the probability of getting 3 tails is
Select correct option:

1/8
3/8
3/6
2/8

10: The hypergeometric probability distribution has parameters:
Select correct option:

N, n
N, P, n
N, n, k
N, N-K, n
Gud rauf keep it up :-)
but dear where are the ans of these quizez.plz also write ans.thanx
thanks

see these file for

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