# Probability and Statistics Study Materials 2020 – Download Mathematics E-Books PDF

## Probability and Statistics Study Materials

 Name of the Subject Probability and Statistics Category School of Sciences Useful for B.Sc, M.Sc (Mathematics) Course Type Under Graduation and Post Graduation Courses Article on Study Materials 2020 Study Material Format PDF Download Other Study Materials Click Here

## Chapters & Topics

Descriptive Statistics

• Correlation and Regression
• Skewness and Kurtosis
• Measures of Central Tendency and Dispersion
• Frequency Distribution of a Character

Probability on Discrete Sample Space

• Standard Probability Distributions: Part-II
• Standard Probability Distributions: Part-I
• Discrete Random Variable and its Probability Distribution
• Probability on a Discrete Sample Space
• Sample Space of a Random Experiment

Distribution Theory

Related Posts
• Limit Theorems
• Functions of Random Variables
• Bivariate Distributions
• Standard Continuous Distributions
• Univariate Distributions

Elements of Statistical Inference

• Common Tests and Confidence Intervals
• Testing of Hypotheses
• Point Estimation
• General Introduction

## Subject in the Universities

This subject will be useful to the students who are pursuing a B.Sc, M.Sc in Mathematics. The following university students can also download Probability and Statistics study materials :

• IGNOU
• Uttarakhand Open University
• University of Calicut
• Pondicherry University

### Subject in the Semesters

Probability and Statistics subject will be studied by the students in the following semesters of their respective courses :

• B.Sc Mathematics VI Semester
• M.Sc Mathematics I Year

## Unit wise PDFs

### Important Questions

We have mentioned some of the important topics of Probability and Statistics subject :

• The correlation coefficient between x and y is -0.73. What is then the correlation coefficient between
a) x + 5 and y – 4?
b) 2x -1 and -3y + 5?
c) 3 – 2x and 4 + 3y?
• What is the correlation coefficient between x and y in case n = 2 and the two pairs of values of x and y are
a) (7.3, 4.5) and (10.4, 6.7)?
b) (4.7, 9.2) and (5.0, 6.1)?
C) (9.4, 7.0) and (10.5, 7.0)?
• A student gets 85, 76 and 82 marks in the three tests for the course MTE-11. She gets 79 marks in the final examination. What are her average marks if the weightage given to the tests and the final examination are 10, 10, 10 and 70 respectively?
• The scores obtained in English by 15 students are given below. calculate the
mean score.
33, 41, 46, 47, 52, 52, 53, 54,57,61, 61,68, 69,70, 74
• The mean of a number of temperature readings on the Centigrade (Celsius) scale is 33.2 degrees. What would be the mean if the readings were taken on the Fahrenheit scale?
• There are four blocks in an urban locality, having 126, 153, 137 and 190 households. If the mean income (in rupees) for a month per household is 2012.35, 1972.45, 2734.56 and 2415.67 for the four blocks, respectively, then what is the mean household income for the month for the locality as a whole?
• Find the probability that a person tossing an unbiased coin gets fourth head on seventh toss.
• Find the probability that a person rolling an unbiased die, gets his third six on the eighth roll.
• A scientist innoculates several mice, one at a time, with a virus that produces a disease in them. If each mouse has probability 1/4 of developing the disease, find the expected number of mice required for an experiment in which the scientist stops after obtaining the second mouse with the disease.

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