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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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