Welcome to Statistics and Probability.

The quiz will randomly run 20 questions from Statistics and Probability which you have to answer in 10 minutes.

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If a sample S = {1, 2}, the number of all possible sub-sets are:

Six digits are selected at random again and again from a random number table and the even digits are counted each time. In most of the cases, the number of even digits will be

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

The probability of drawing any one spade card is:

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

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.

A box contains 2 red, 3 black and 4 blue balls.3 balls are randomly drawn from the box.What is the probability that the balls are of different colors?

Following is the respiratory rate per minute in 5 cases, the rate was found to be 2 , 16, 24, 18 and 22. Calculate the standard deviation

In the simultaneous tossing of two perfect dice, the probability of obtaining 4 as the sum of the resultant faces is

When two coins are tossed, there are _____ possible outcomes.

Probability lies between:

A letter is chosen at random from the word "Statistics". The probability of getting a vowel is:

Which of the following is a measure of Spread?

To label a statistical test definitely significant, the p-value should be

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.

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

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

For the following 11 hypertensive patients compute mean deviation from the median. 184, 17 , 168, 188, 162, 164, 174, 172, 178, 166, 188

Two dice are rolled. Probability of getting a total of 4 given that both-faces are similar is:

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

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