### Frequency approach to construct a probability distribution

##### Reference no: EM131286545

An instructor allows students to take an exam as many times as needed until the student obtains a passing grade. The following is a record of the number of students in a class of 20 who took the test and the number of tests taken in order to obtain a passing grade.

 Students Number of Tests 9 1 6 2 3 3 2 4

1. Use the relative frequency approach to construct a probability distribution and show that it satisfies the required condition.

2. Find the expected value of the number of tests taken.

3. Compute the variance.

4. Compute the standard deviation.

#### Purpose of an organizational chart

In 2-3 paragraphs, explain the purpose of an organizational chart and what it accomplishes for a healthcare organization. Discuss the limitations of what an organizational

#### Why did hawaii end its universal child health care program

Public Insurance and HealthWhat is "take up"?What is "crowd-out"? What does the evidence show about take up and crowd-out from Medicaid expansion? Why did Hawaii end its uni

#### Identify the related level of management responsible

Define the three types of planning for this company and identify the related level of management responsible for each type of plan. Assuming that you were a manager at each

#### Minimum number of servers for system

a) What is the minimum number of servers for this system? b) WHat is the optimal number of servers for this system? c) What is the cost for the system, per hour, at the optimu

#### Independence of the federal reserve system

Jane Peoples: "Independence of the Federal Reserve System is a scandal in an otherwise democratic country. The chairman and his banker cronies can tighten the money supply,

#### How to encourage team-benefit of health of local population

How would you encourage the team to make sure that innovative and creative talents of all team members flourish for benefit of health of local population?

#### Make a framed game-plan

How fit is the relationship amongst IT and the business at Mod-meters? See the deficiencies of both IT and the business. Make a framed game-plan for 1) How each of the IT pr

#### Manage the workforce in multicultural and virtual teams

Could you assist me with the question on how to prepare a successful climate to manage cultural diversity and manage the workforce in multicultural and virtual teams?