Findout the confidence interval of true mean

Reference no: EM1316888

Find the 90% confidence interval of the true mean.

A study of 415 kindergarten students showed that they have seen on average 5000 hours of television. If the sample standard deviation of the sample was $630, and the sample size was 50. Find the 90% confidence interval of the true mean. If a day-care center were starting up and wanted to keep tuition low, what would be a reasonable amount to charge?

Reference no: EM1316888

Questions Cloud

Confidence interval for the cigarette tax : Findout the 98% confidence interval for true mean. Findout a 98% confidence interval for the cigarette tax in all 50 states.

Program to find grade of students on basis of test scores : Write down a C++ program which finds a better grade for a student based upon two test scores. For a numeric average x.

Evaluate the limiting and excess reagent : Determine the limiting, excess reagent & percent yield of the reaction - How much excess reagent is left after the reaction reaches completion?

The length of the diagonal of a rectangular billboard : The length of the diagonal of a rectangular billboard.

Findout the confidence interval of true mean : If the sample standard deviation of the sample was $630 also the sample size was 50. Findout the 90% confidence interval of true mean.

Utility maximization point subject : Suppose that there are two goods in the economy, and the price of each good is equal to 1. When Alice has income of $10, She consumes 1 unit of good y and 9 units of good r.

Determining normally distributed with average speed : Speed of cars travelling on I-85 in Gaston County is normally distributed with average speed (µ) of 66 MPH and standard deviation (σ) of 8 MPH.

Determine the new volume of the gas sample : Find the new volume of the gas sample - What is the new volume of the gas sample

Pricing strategies for media corp : Media Corp. has determined that its customer base is divided into two groups: sports fans and news junkies. There are one million sports fans and one million news junkies.

User Account

All Pages