Four people will enter an automobile show Room and each will either purchase a car (P) or will not purchase a car (N)

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

References

1. What is the benefit of statistics for the society? Go to Central Statistical Agency (CSA) and discuss their major duties and their main role.

2. List and discuss application of statistics in Finance and investment.

3. Four people will enter an automobile show Room and each will either purchase a car (P) or will not purchase a car (N) 

a) Draw a tree diagram depicting the sample space of all possible purchase decision that could potentially be made by the four people.

b) List the sample space out comes that correspond to each of the following events. 

1) Exactly three people will purchase a car 

2) Two or fewer will purchase a car 

3) One or more people will purchase a car

4) All four people will make the same purchase decision

c) Assuming that all sample space outcomes are equally likely, find the probability of the events given in part (b) 

4. Service life of truck tires for heavy-duty trucks follows the normal distribution with mean 50,000km and standard deviation 5000km. find probability of

i) Between 47,000km and 50,000km?

ii) Between 50,000 and 60,000km

iii) Between 45,000 and 57,500km?

vi) Less than 63000km?

vii) Between 53,000 and 62,000km?

5. Construct a continuous Frequency Distribution for the following raw data on marks (out of 100) obtained by 70 students in course of basic Statistics in 2022.

63, 29, 85, 73, 44, 87, 39, 76, 58, 44, 39, 81, 32, 37, 50, 49 ,48, 77, 60, 63, 44, 66, 82, 57, 53, 65, 55, 50, 45, 64, 52, 16, 46, 42, 63, 33, 64, 53, 25, 54, 35, 48, 55, 70, 47, 39, 58,  75, 26, 20, 55, 60, 83, 61, 45, 63, 49, 42, 35, 18, 51, 45, 42, 65, 39, 59, 45, 41, 30, 40.

6. The following grouped data were given Based on it compute the following.

Marks Frequency

15 - 24 3

25 – 34 4

35 – 44 10

45 -54 15

55 – 64 12

65 – 74 4

75 – 84 2

Total 50

 

 

 

 

 

 

 

 

 

 

 

 

A) Find mean of the data

B) Find the median

C) Find the mode of the given data

D) Find its mean deviation around the mean and median

E) Find its variance and standard deviation.

7. Discuss 6 types of measure of central tendency & 6 type’s measure of dispersion and put the difference between measure of central tendency and measure of dispersion. 

 

Attachments:

Related Questions

. The fundamental operations of create, read, update, and delete (CRUD) in either Python or Java

CS 340 Milestone One Guidelines and Rubric  Overview: For this assignment, you will implement the fundamental operations of create, read, update,

. Develop a program to emulate a purchase transaction at a retail store. This  program will have two classes, a LineItem class and a Transaction class

Retail Transaction Programming Project  Project Requirements:  Develop a program to emulate a purchase transaction at a retail store. This

. The following program contains five errors. Identify the errors and fix them

7COM1028   Secure Systems Programming   Referral Coursework: Secure

. Accepts the following from a user: Item Name Item Quantity Item Price Allows the user to create a file to store the sales receipt contents

Create a GUI program that:Accepts the following from a user:Item NameItem QuantityItem PriceAllows the user to create a file to store the sales receip

. The final project will encompass developing a web service using a software stack and implementing an industry-standard interface. Regardless of whether you choose to pursue application development goals as a pure developer or as a software engineer

CS 340 Final Project Guidelines and Rubric  Overview The final project will encompass developing a web service using a software stack and impleme