Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Purpose of Sample size for an interval estimate of a population proportion.

Of the adults in Jefferson County 10% have had CPR training. For a randomly chosen group of students from this county and how large would the group have to be in order for the probability that have at least one group member has had CPR training to be at least .90?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922250

Have any Question? 


Related Questions in Statistics and Probability

Question at the first state bank the average savings

Question: At the first state bank the average savings account balance in 2004 was $1300 with a standard deviation of $80. A random sample of 45 savings account balances for 2005 yielded a mean of $1350. At the alpha=01 s ...

1 why does quasi-experimentation sometimes require the use

1. Why does quasi-experimentation sometimes require the use of "patched-up" designs? 2. Discuss the philosophy of critical multiplism as it applies to quasi-experimental research.

A researcher evaluates a gun training program in a large

A researcher evaluates a gun training program in a large American city found that rapes dropped by 90% in the year following the training. Researchers looking at the same data but expanding the time frame to include 5 ye ...

In a poll of 2003 adults within the united states for the

In a poll of 2,003 adults within the United States for the Wall Street Journal, 57% of adults said that public education needs to be improved. Construct a 95% confidence interval for the proportion of all U. S. adults wh ...

1 what is the difference between descriptive and

1. What is the difference between descriptive and inferential statistics? 2. Describe the most common descriptive statistics. 3. What are standard scores, and how are they calculated? 4. What is meant by an unbiased esti ...

Goofys fast food center wishes to estimate the proportion

Goofy's fast food center wishes to estimate the proportion of people in its city that will purchase its products. Suppose the true proportion is 0.07. If 475 are sampled, what is the probability that the sample proportio ...

Tell whether each of the following relationships reflects a

Tell whether each of the following relationships reflects a positive or a negative correlation: a. the amount of stress in people's lives and the number of colds they get in the winter b. the amount of time that people s ...

Under what conditions is a grouped frequency distribution

Under what conditions is a grouped frequency distribution more useful as a means of describing a set of scores than a simple frequency distribution? Why do researchers often add relative frequencies to their tables?

1 the correlation between self-esteem and shyness is -50

1. The correlation between self-esteem and shyness is -.50. Interpret this correlation. 2. Which is larger-a correlation of +.45 or a correlation of -.60? Explain.

The university is attempting to set its staffing plan for

The University is attempting to set its staffing plan for the next several year, and it wants to determine if the distribution of students among various graduate majors has changed from the historical averages which were ...

  • 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