+1-415-315-9853

info@mywordsolution.com

## Statistics

A statistics department is holding alumni by telephone asking for donation to aid fund new computer laboratory. Past history describes that 40% of the alumni contacted in this manner will make the contribution of at least \$100. A random sample of 20 alumni is chosen. Let X represents number of alumni which makes at contribution of at least \$100.

a) Completely describe the probability distribution of X (name and parameters).

b) Find out the probability that exactly 9 alumni will make contribution of at least \$100?

c) Find out the probability that at least 9 alumni will make contribution of at least \$100?

d) How many alumni would you anticipate to make contribution of at least \$100?

Find out the probability that at least 9 but not more than 12 will make contribution of at least \$100?

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M921532

Have any Question?

## Related Questions in Statistics and Probability

### What are the key components of consideration that went into

What are the key components of consideration that went into forming the Texas Constitution?

### When conducting a hypothesis test if z calculated is less

When conducting a hypothesis test, if z calculated is less than z critical, you should accept the null hypothesis?

### In a random sample of 10 reduced fat chocolate chip cookies

In a random sample of 10 reduced fat chocolate chip cookies, the sample mean for the number of chocolate chips was 17.6.  Regular chocolate chip cookies have a mean number of 20 chocolate chips.  The population standard ...

### A parcel of land purchased by clean energy inc is estimated

A parcel of land purchased by Clean Energy, Inc. is estimated to contain 15.25 million tons of anthracite coal. The purchase price was \$10,850,000, startup costs were \$3,411,000, and the residual value is \$1,464,000. If ...

### In a recent survey of high school seniors a random sample

In a recent survey of high school seniors, a random sample of 1000 females showed that 650 were planning on pursuing a college degree, while a random sample of 1000 females showed that 600 were planning on pursuing a col ...

### Otto is trying out for the javelin throw to compete in the

Otto is trying out for the javelin throw to compete in the Olympics. The lengths of his javelin throws are normally distributed with a mean of 310 feet and a standard deviation of 13 feet. What is the probability that th ...

### Develop a research question that addresses one of the

Develop a research question that addresses one of the unknowns in the question: Positive interactions between the CEO and board members lead to enhanced and better performance of the Corporation . Address the following 1 ...

### The 1930s and the great depression with the complete

The 1930s and the Great Depression: With the complete collapse of the American economy, the people of the United States explored many possible solutions and then settled on one. What are all of the options that were in p ...

### Discuss the radical reconstruction as a constitutional

Discuss the Radical Reconstruction as a Constitutional Revolution.

### 1 the total variance in a set of scores can be partitioned

1. The total variance in a set of scores can be partitioned into two components. What are they, and how do they differ? 2. What are some factors that contribute to error variance in a set of data? 3. Generally, do resear ...

• 13,132 Experts

## 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.

### 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