How large a sample should be tested in order to be 99, Ask an Expert

Statistics

A researcher wishes to estimate the proportion of fish in a certain lake that is inedible due to pollution of the lake. How large a sample should be tested in order to be 99% confident that the true proportion of inedible fish is estimated to within 7%? Use 2.575 as the critical value for a 99% confidence interval.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9394865

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Please show all worka pair of dice is tossed and the face

Please show all work. A pair of dice is tossed and the face number of each die is recorded. Assuming the dice are fair, what's the probability of the sum of the die faces showing is even?

Assume that the class consists of 45 percent freshmen 20

Assume that the class consists of 45 percent freshmen, 20 percent sophomores, 20 percent juniors, and 15 percent seniors. Assume further that 50 percent of the freshmen, 50 percent of the sophomores, 25 percent of the ju ...

Briefly summarize the partnership business structure and

Briefly summarize the partnership business structure and the equity rights partners have, both in the context of managerial rights and ownership.

The table below shows the results of a survey that asked

The table below shows the results of a survey that asked 2873 people whether they are involved in any type of charity work. A person is selected random from the sample. Frequently Occasionally Not at All Total Male 225 4 ...

1the r-squared of a linear regression model is equal to the

1)The R-squared of a linear regression model is equal to the proportion of the variance of the target explained by a linear regression model. 2). The R-squared of a linear regression model is equal to the proportion of t ...

A company employs eight people and plans to select a group

A company employs eight people and plans to select a group of five of these employees to receive advanced training. How many ways can the group of five employees be selected?

Your companys revenues were 3 million this year you paid

Your company's revenues were $3 million this year. You paid out $500,000 in salaries and your only other cash outflow was the purchase of a piece of construction equipment for $1 million that is to be depreciated to a ze ...

1 this table summarizes the results from

1) This table summarizes the results from along+termrandomized clinicaltrial to determine whether aspirin reduces the risk of heart attack. Researchers randomly assigned a large sample of healthy male physicians (22,07 ...

An insurance company is selling a perpetuity contract that

An insurance company is selling a perpetuity contract that pays $2,00 monthly. The contract currently sells for $100,000. (a) What is the monthly return on this investment vehicle? (b) if instead the amount of monthly in ...

Income can have significant effects on peoples spending

Income can have significant effects on people's spending patterns. Research studies have revealed that consumer expenditure is influenced by various factors such as their income, gender, age and level of education. In or ...

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

Recent Questions

Ask Statistics and Probability Expert