Forcast the proportion of fish in a perticular lake

Reference no: EM1317370

Finding the sample size for the confidence interval

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.

a) 277

b) 139

c) 196

d) 339

Reference no: EM1317370

Questions Cloud

Test out an suitable hypothesis also state your conclusion : Test out an suitable hypothesis also state your conclusion. Make sure the suitable assumption as well as conditions are satisfied before you proceed.

Service sector using revenue recognition : Service sector using revenue recognition based on a thorough review and discussion of these data

Ceo of the organization needs to forcast the proportion : To forcast the sample size within 0.02 with 90 percent confidence. The CEO of the organization needs to forcast the proportion of Canadians who own their house.

Calculating the function values : Calculating the function values.

Forcast the proportion of fish in a perticular lake : A researcher wishes to forcast the proportion of fish in a perticular lake which is inedible due to pollution of the lake.

Find out the sample size raised by mean : Find out the sample size raised by mean also standard deviation, a sampling distribution may approach among which of the following values.

What potential solution did you obtain : What potential solution did you obtain

An air conditioning as well as heating repair firm conducted : Estimate the values using multiple regression models. An air conditioning as well as heating repair firm conducted a study to determine if the outside temperature, Illustrate the forecasted monthly electric bill.

Use algebra to solve menstruation problems : Use algebra to solve menstruation problems

User Account

All Pages