Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

problem 1) describe the determination of number of classes, class width and construction of frequency distribution to one-dimensional data.

problem 2) find out median to the following data:

Class:          0-5    5-10    10-15    15-20    20-25
Frequency:     3      16         25         18         5

problem 3) What do you mean by scatter diagram? Describe its uses.

problem 4) Compute the co-efficient of correlation to the given data using Spearman’s formula:

Rank given by Judge – 1 :    3    2    6    5    1    4
Rank given by Judge – 2 :    4    3    1    6    2    5

problem 5) If, for the events A and B, P(A) = 0.2, P(B) = 0.3 and P(A∩B) = 0.09, compute P(A∪B) and using which determine P(A∩BC).

problem 6) describe binomial distribution and describe its properties.

problem 7) Describe the terms sampling distribution and standard error with suitable ex.

problem 8) How do you test the significance of hypothetical value of a population proportion? describe.

problem 9)a) Draw frequency polygon to the given data:

Profit (in lakh Rs.)    0-10    10-20    20-30    30-40    40-50    50-60
No. of Firms               5        12          20        16           5          2

b) Investigate the skewness property of the following data.

Age (in years):      Below 20    20-25    25-30    30-35    35-40
No. of Employees:    34             78         100        56        22

problem 10)a) Fit a regression line of Y and X using the following data:

x:    23    20    19    21    18    20    17    19
y:    24    19    22    18    20    22    20    17

b) Find out the strength of relationship between x and y from the following data using the co-efficient of determination:

x:    15    20    28    12    40    60    20    80
y:    40    30    50    30    20    10    30    60

problem 11)a) (i) Define Bayes theorem.

(ii) In a bolt factory, machines A,B and C manufacture respectively 32%, 58% and 10%  of the total production of the total output of each machine, 5%, 4% and 2% are defective bolts. A bolt is drawn randomly and is found to be defective. Determine the probability that it was manufactured by Machine A?

b) Fit a Poisson distribution to the following data:

x (Value)          :    0      1      2    3    4   
f (Frequency)    :    21    18    7    3    1

problem 12)a) Describe the terms with an illustration: sample, parameter, simple hypothesis, composite hypothesis and two kinds of errors.

b) Describe hypothesis testing problem.

problem 13)a) describe the method of testing the hypothetical value of the mean of a normal population using a small sample. Assume that the population variance is unknown. Applying the procedure test whether the mean of a normal population is 14 at 5% level of significance using the sample drawn from the population:

11    14    13    12    13    12    13    14    11    12

b) From the following data, test whether there is any relationship between sex and preference of colour:

Male    Female
Red    20    30
Blue    60    40
Black    10    20

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M97502

Have any Question? 


Related Questions in Statistics and Probability

Consider the following game a fair die is rolled if the

Consider the following game. A fair die is rolled. If the outcome is 4, then the game ends and you win 0. If the outcome is not 4, then you have the option of either stopping the game and receiving an amount equal to tha ...

In your words demonstrate your understanding on the

In your words, demonstrate your understanding on the following concepts: a) Survival analysis b) Life table c) Kaplan-Meier curve d) Logrank test e) Negative exponential survival distribution f) Cox proportional hazards ...

St augustine and socrates both acknowledge that the perfect

St. Augustine and Socrates both acknowledge that the perfect city cannot exist in this world. For each of them, what is it about the nature of human beings and of political life that makes this impossible?

Given the following waiting time distribution in a hotel

Given the following waiting time distribution in a hotel, compute the  expected value  of the waiting time in 2 dec pl.    Waiting time (minutes) Probability 4.0            20% 4.5 28% 5.0 32% 5.5 10% 6.0 10%

Prove that if the result of the mens courtship algorithm

Prove that if the result of the men's courtship algorithm yields the same result as the women's courtship algorithm, then this resulting matching is the unique stable matching.

A teacher wants to estimate the average pa of all teachers

A teacher wants to estimate the average pa of all teachers in a district. She wants to be 95% sure her estimate is correct. The standard deviation is $1,000, how large must her sample be to be accurate within $200? Pleas ...

List an example of each of the followinga two quantitative

List an example of each of the following: a. Two quantitative variables that are likely to have a positive linear relationship. b. Two quantitative variables that are likely to have a negative linear relationship. c. Two ...

Candida has a revolving credit account at an annual

Candida has a revolving credit account at an annual percentage rate of 24%. Her previous monthly balance is $549.79. Find the new balance using the previous month's balance method if Candida's account showed the followin ...

1 prove that every complete irreflexive and transitive

1. Prove that every complete, irreflexive, and transitive relation is asymmetric: if x ≠ y, then x > y if and only if y x. 2. Prove that the Gale-Shapley algorithm for finding a stable matching satisfies the following pr ...

Consider the following system of preferences recall that

Consider the following system of preferences (recall that the preferences of the women appear in the lower right side of each cell (read vertically) and the preferences of the men appear on the upper left side (read hori ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro