# Welcome to Statistics and Probability

The outcome of tossing a coin is a:

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?

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

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.

In the simultaneous tossing of two perfect dice, the probability of obtaining 4 as the sum of the resultant faces 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 fair die is rolled. Probability of getting even face given that face is less than 5 is given by:

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

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

When the occurrence of one event has no effect on the probability of the occurrence of another event, the events are called:

Calculate the Standard Deviation for the following data:- 1 , 12, 8, 1 , 6, 4, 8, 1

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

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

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

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

A letter from the English alphabet is chosen at random. Probability that the letter so chosen precedes m and is a vowel is

For a normal distribution the total area under the curve is

An arrangement in which the order of the objects selected from a specific pool of objects is important called

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

Calculate the median for the following data. 6, 7, 8, 1 , 11, 2, 3, 2, 8, 8

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