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Quote from PositiveNaija on December 4, 2021, 9:02:07 AM
When the Mean of a number is 18, what is the Mean of the sampling distribution?
21
18
27
23
If the probability of hitting an object is 0.8, find the variance
18
16
14
12
E(X) = λ is used for which distribution?
Binomial distribution
Poisson's distribution
Bernoulli's distribution
Laplace distribution
Find the arithmetic mean of the set of data: 6,1,5,8, and 10
4
5
6
7
Calculate the geometric mean of 1,3,9,3
1
2
3
4
Find the variance of the given data set: 3,9,5,6,7
1
2
3
4
The Poisson distribution is applied for
Regular Random Variable
Constant time function
Discrete Random Variable
Irregular Random Variable
If the Critical region is evenly distributed then the test is referred as?
Two tailed
One tailed
Three tailed
Zero tailed
The probability that person A completes all the tasks assigned is 50% and that of person B is 20%. Find the probability that all the tasks are completed.
15
25
35
45
In Nigeria, there are 55 members of the National Statistics Association. Every member posts a greeting card to all the members. How many greeting cards were posted by them?
990
890
1980
None of the above
E(X) = npq is for which distribution?
Bernoulli’s
Binomial
Poisson’s
Normal
Which of these distributions is used for a testing hypothesis?
Normal Distribution
Chi-Squared Distribution
Gamma Distribution
Poisson Distribution
Weibull distribution gives the failure rate proportional to the power of time.
True
False
In Standard normal distribution, the value of mode is
2
1
0
None of the above
In a hypothesis test, what does the p value signify?
smallest level of significance for rejection of Null Hypothesis
largest level of significance for rejection of Null Hypothesis
smallest level of significance for acceptance of Null Hypothesis
smallest level of significance for acceptance of Null Hypothesis
When the Mean of a number is 18, what is the Mean of the sampling distribution?
21
18
27
23
If the probability of hitting an object is 0.8, find the variance
18
16
14
12
E(X) = λ is used for which distribution?
Binomial distribution
Poisson's distribution
Bernoulli's distribution
Laplace distribution
Find the arithmetic mean of the set of data: 6,1,5,8, and 10
4
5
6
7
Calculate the geometric mean of 1,3,9,3
1
2
3
4
Find the variance of the given data set: 3,9,5,6,7
1
2
3
4
The Poisson distribution is applied for
Regular Random Variable
Constant time function
Discrete Random Variable
Irregular Random Variable
If the Critical region is evenly distributed then the test is referred as?
Two tailed
One tailed
Three tailed
Zero tailed
The probability that person A completes all the tasks assigned is 50% and that of person B is 20%. Find the probability that all the tasks are completed.
15
25
35
45
In Nigeria, there are 55 members of the National Statistics Association. Every member posts a greeting card to all the members. How many greeting cards were posted by them?
990
890
1980
None of the above
E(X) = npq is for which distribution?
Bernoulli’s
Binomial
Poisson’s
Normal
Which of these distributions is used for a testing hypothesis?
Normal Distribution
Chi-Squared Distribution
Gamma Distribution
Poisson Distribution
Weibull distribution gives the failure rate proportional to the power of time.
True
False
In Standard normal distribution, the value of mode is
2
1
0
None of the above
In a hypothesis test, what does the p value signify?
smallest level of significance for rejection of Null Hypothesis
largest level of significance for rejection of Null Hypothesis
smallest level of significance for acceptance of Null Hypothesis
smallest level of significance for acceptance of Null Hypothesis
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