Why would nickel diameters differ create 99 percent

Reference no: EM13471282

A random sample of 21 nickels measured with a very accurate micrometer showed a mean diameter of 0.834343 inches with a standard deviation of 0.001886 inches. (a) Why would nickel diameters vary? (b) Construct a 99 percent confidence interval for the true mean diameter of a nickel. (c) Discuss any assumptions that are needed. (d) What sample size would ensure an error of ± 0.0005 inches with 99 percent confidence? (Data are from a project by MBA student Bob Tindall.)

Reference no: EM13471282

Questions Cloud

Find an article on a current event related to : find an article on a current event related to macroeconomics. briefly summarize the article and state how a concept in

Three students are ell five have an iep for different mild : imagine you are a 5th grade teacher in a full inclusion model classroom with 28 students. the class is being co-taught

In a one-page paper describe the hipaa violation that you : in a one-page paper describe the hipaa violation that you have selected for your course project and how it will impact

You are a census officer in a newly democratic nation and : apportionment problemyou are a census officer in a newly democratic nation and you have been charged with using the

Why would nickel diameters differ create 99 percent : a random sample of 21 nickels measured with a very accurate micrometer showed a mean diameter of 0.834343 inches with a

Identify and describe a case in which an employers : use the library and other web resources to complete the followingidentify and describe a case in which an employers

Discuss the rules for your state lottery such as 60 balls : explain the rules for your state lottery such as 60 balls total with 5 balls picked each drawing. use combinations to

Profiling and discrimination are alive and well both innbsp : profiling and discrimination are alive and well both innbsp our private lives and in the public sector.nbsp people are

Suppose that thermometer readings are normally distributed : assume that thermometer readings are normally distributed with a mean of 0 and a standard deviation of 1. a thermometer

User Account

All Pages