Evaluate true average lead level for california wines

Reference no: EM13112054

The Bureau of Alcohol, Tobacco, and Firearms (BATF) has been worried about lead levels in California wines. Table given below reports results from pilot test which measured lead levels in random sampling of wines.

Table 1: Descriptive statistics for lead in wine study
Variable n mean Std.Dev SEmean
lead 15 120 150 38.73

The BATF wants to evaluate true average lead level for California wines to within 29 parts per billion at 95% level of confidence?

You must carry at least 5 decimal precision for any intermediate computations then round your answer as indicated in the problem.

Reference no: EM13112054

Questions Cloud

Statement of purpose of the study : Choose a variable. Before collecting the data, decide what a likely average might be, then complete the following: Write a brief statement of purpose of the study

Explain the polymerase chain reaction process : Explain the polymerase chain reaction process. Use terms primer, template, DNA, nucleotides, and DNA polymerase.

Why is dna sometimes refered to as a palindrome : Do any of your suspect samples appear to have EcoRI or Pstl recognition sites at the same location as the DNA from the crime scene? If so which suspects and what are the band lengths (bp) that match?

Describing adverse effects caused by exposure to radiation : I need help in describing the adverse effects caused by exposure to radiation. Include some specific exposure levels associated with these significant health effects.

Evaluate true average lead level for california wines : The BATF wants to evaluate true average lead level for California wines to within 29 parts per billion at 95% level of confidence?

Writing a balanced nuclear equation for the alpha decay : Write a balanced nuclear equation for the alpha decay of each of the following radioactive isotopes.

Compute the value of chi-square : State the decision rule using the .01 significance level. Compute the value of chi-square. What is your decision regarding H0?

Estimate the density of germanium : In the early days of the periodic table, the 1870s, both silicon and tin were known elements, but germanium was unknown. Using these trends and the densities of silicon and tin that you just obtained, estimate the density of germanium?

Should the division outsource its ceramic pots : Suppose the division has the opportunity to purchase the ceramic pot from another manufacturer for $60. The supplier is willing to hold sufficient inventories to meet Evergreen's demand. Should the division outsource its ceramic pots? Why or why n..

User Account

All Pages