Statistics and Probability

This page provides multiple-choice questions (MCQs) on Statistics and Probability topics, including descriptive statistics, probability distributions, and hypothesis testing. Test your knowledge and understanding of these topics with these MCQs.

Challenge yourself to get the highest score. Twenty (20) MCQ questions from our test bank will be randomly shown for every attempt. Passing mark for this test is 70%.

Welcome to Statistics and Probability.

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A fair die is rolled. Probability of getting even face given that face is less than 5 is given by:

1/2

1/5

1/4

1/6

None

In a particular study the number of observation was 14 for males and 12 for females. The mean values for males was 118.3 amd 1 7. for females. Variance was 7 .1 for males and 82.5 for females. Calculate standard error

8.64

1.89

2.2

3.42

None

The digits 1, 2, 3, 4, 5 are the roll numbers of 5 students. These roll numbers are written on the paper slips and two paper slips are selected at random without replacement. What is the number of possible combinations?

None

A graphical device used to list all possibilities of a sequence of outcomes in systematic way is

Venn diagram

Tree diagram

Probability histogram (

Pie diagram

None

Two dice are rolled. Probability of getting total less than 4 or total more than 10 is given by:

1/36

14/36

10/36

4/36

None

If we toss a coin and P(H) = 2P(T), then probability of head is equal to:

2/3

1/3

1/2

None

The six faces of the die are called equally likely if the die is:

Small

Round

Fair

Six-faced

None

When a die and a coin are rolled together, the number of possible outcomes is:

None

The mean systolic blood pressure of 5 young individuals is 115 mmHg with a standard deviation of 11.2 mmHg. Calculate 95 percent confidence interval.

1.2 1 – 1.524

123 – 245

111.9 – 118.1

.269 – 2.947

None

When one card is selected at random from a pack of 52 playing cards, the number of possible selections is

104

None

Which of the following is a measure of Spread?

Variance

Mode

p value

Mean

None

The data obtained on 26 young healthy adult subjects gave the mean systolic blood pressure as 113.1 mmHg with a standard deviation (SD) of 1 .3 mmHg. Calculate standard error.

2. 2 mmHg

1 .3 mmHg

1. 6 mmHg

5.89 mmHg

None

Two dice are rolled. Probability of getting similar faces is:

1/36

5/36

1/6

2/3

None

A fair coin is tossed 100 times, the expected number of heads is:

100

None

If P(B/A) = 0.50 and P(A⋂B) = 0.40, then p(A) will be equal to:

0.80

0.50

0.40

None

The probability of drawing any one spade card is:

4/13

1/13

1/4

1/52

None

Urinary concentration of lead in 15 rural children ( milimole per litre per 24 hour) is .2, 2.6, .1, 1.1, .4, 2. , .8, 1.3, 1.2, 1.5, 3.2, 1.7, 1.9, 1.9, 2.2 Calculate median for the above data.

1.5

1.2

1.4

None

Which of the Statistical average takes into account all the numbers equally?

Mean

Mode

Median

None

If three coins are tossed, the number of possible outcomes is:

None

A balance die is rolled, the probability of getting an odd number is:

1/2

1/6

1/4

1/36

None

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