Homework Chapter three:
Step 1: collect the sample data.
Step 2: Add the values in the sample: x=74349
Step 3: Divide the sum by the sample size: x = 74349
And for the Quartiles using:
Step 1: Sort the data from low to high.
Homework Questions Chapter one:
At this situation we can use descriptive statistics as it the procedures and
techniques that comprise business statistics include those specially designed to
describe data, such as charts, graphs, and numerical me
1- Sample Interview Questions for Managerial Positions
Decision Making Questions
1. At which point do you find it necessary to bring others into your decision-making process? Why?
2. Describe your approach to making decisions and solving problems. Why do
Homework of Chapter two:
5 horizontal*5 vertical = 25
1- The List of possible values for discrete variable from 0 to 12
2- We have to count the numberof occurrences at each value.
Homework of Chapter five
a. The variable x is a discrete random because x only on specific integer values at this
b. All the values are possible for x = (0, 1, 2, 3, 4, 5, 6).
In this case we have to create a sample spa
Chapter four A:
It mentioned at the question that the probability of next spin to be black is 0.5 is the concept of
independent events, if so then the probability of one event is not effected by the occurrence of
other events, so the chance to h
Chapter four B:
a. Subjective probability built on expert opinion for next three years.
b. Relative frequency built on previous customer return history.
c. Classical probability 1/5 = .20 probability.
a. They are used the classical pro
The population of Libya is 6.597 comparing with the area for 1.800.000 Km2 like Alaska.
90% of the population are living in 10% of the country.
Libya is the seventeenth globally in term of area, and forth in Africa.
Libya has the longest sea coast among