Population amount of paint per can

Reference no: EM1395063

The manager of a paint supply store wants to estimate the actual amount of paint contained in 1- gallon cans purchased from a nationally known manufacturer. The manufacturer's specifications state that the standard deviation of the amount of paint is equal to 0.02 gallon. A random sample of 50 cans is selected, and the sample mean amount of paint per 1-gallon can is 0.995 gallon.

a) Construct a 99% confidence interval estimate for the population mean amount of paint included in a 1-gallon can.

b) On the basis of these results, do you think that the manager has a right to complain to the manufacturer? Why?

c) Must you assume that the population amount of paint per can is normally distributed here? Explain

d) Construct a 95% confidence interval estimate. How does this change your answer to (b)?

Reference no: EM1395063

Questions Cloud

Interaction between hiv attachment proteins : Maraviroc is a drug designed to block the interaction between HIV attachment proteins and the host cell receptor protein CCR5, thus blocking the initial stages of viral infection.

Write critical implications of climate change for business : Write down the critical implications of climate change for business? Suitable ethical and sustainability theories and concepts covered.

How many atoms of mercury will be reported : Compute the heat amount required to heat a 3.9kg gold bar from 28 degree Celsius to 68 degree Celsius. Given Specific heat capacity of gold = 0.128 J/g°C.

Evolutionary implications of two major strategies of egress : What are the evolutionary implications of the two major strategies of egress. Viruses that egress by lysis are less "successful" from an evolutionary perspective because they kill their host cells.

Population amount of paint per can : Must you assume that the population amount of paint per can is normally distributed here? Explain

Determine what is the partial pressure of n2 in the mixture : A mixture of Helium, Neon, and Nitrogen gases has a pressure of 1.348 atm. Determine what is the partial pressure of N2 in the mixture If the pressures of Helium and Neon are 0.124 atm and 0.996 atm, respectively.

What are the parent and daughter concentrations : A rock contain 3.2 grams of a radioactive isotope, uranium-235, . Determine what was the original amount of uranium-235 in the rock If the rock has undergone 2.75 half lives, and how old is the rock?

Explain colonial merchants to america-s break with england : Explain the role of each of the following groups in events which led to America's break with England: colonial merchants, Virginia planters.

Ethical practices in statistics : The statistical research was done primarily through the internet from governmental regulated sources. Estimates were used in consideration of absence of actual information.

User Account

All Pages