11th Class Statistics MCQS
Which of the following case is true for hypergeometric distribution.
Probability remains constant for all trials
Both (B) and (C) but not (A)
successive trials are dependent
Probability changes
The mean of binomial distribution is always:
None of the these
Equal to variance
Greater then variance
Less than variance
The binomial distribution is symmetrical when:
p = 1/2
P > q
Both (B) and (C)
Probability of success & probability of failure are equal
The probability of even/odd number when a fair die rolled is:
3/6
2/6
1/36
1/6
In binomial distribution, the random variable has a range:
0,1,2,……+?
0,1,2……………….n
? to +0
-? to +?
If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:
None of these
Binomial
Hypergeometric
Both binomial & hypergeometric
Binomial distribution is used when n is
Zero
Negative
Small
Large
The binomial distribution has the following parameters.
n & q
n, p & q
None of these
p & q
Each trial of binomial experiment results in an outcome which can be classified in two categories
Head or tail
None of these
Success and failure
Ace or six
Which of the following is true for binomial distribution
Mean < variance
Mean + standard deviation
Mean > variance
Mean = variance
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