Sampling distribution of mean-library

Reference no: EM1394732

A library checks out an average of 250 books per day, with a standard deviation of 75 books. If a sample of 36 days of operation is selected and the sample mean is computed,

a. What is the expected value of the sample mean?

b. What is the value for the standard error of the mean?

c. What is the probability that the sample mean for the 36 days will be within 220 and 260 books?

Reference no: EM1394732

Questions Cloud

Use descriptive phrases to explain worldview : What do you mean by worldview? Describe what the term "worldview" means. Use descriptive phrases to support the definition.

Determine the specific heat of neutralization of hcl : A calorimeter temperature increased by 0.45 0C after adding 30 joule OF ENERGY TO IT BY ELECTRICAL HEATING and the temperature increased by 7.3 0C when 0.10 grams of HCl is neutralize in the same calorimeter now determine the specific heat of neut..

Beer consumption and religious affiliation : Suppose that beer consumption and religious affiliation are not independent of each other. That means that

Determine how many gms of sucrose are required : A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.

Sampling distribution of mean-library : A library checks out an average of 250 books per day, with a standard deviation of 75 books. If a sample of 36 days of operation is selected and the sample mean is computed,

Population proportion preferring milwaukee best : Of the 250 students in a blind taste test, 150 (60%) preferred Milwaukee's Best over Natural Light. Then the 90% confidence interval for the student population proportion preferring Milwaukee's Best is:

Valuable information on quality standard for travel industry : Raise levels of demand nationally, regionally and internationally; promote competiveness in the industry; and, give valuable and reliable information on quality standards for tourist and travel industry.

Average american male wears : The average American male wears a size 10 shoe and spends 4 hours a year tying a tie. The average American female college student owns 3.5 pairs of jeans.

Neurons in thalamus reduce information reaching the cerebrum : During sleep, relay neurons in the thalamus reduce information reaching the cerebrum by altering their membrane potential. Are these neurons more likely to have depolarized or hyperpolarized?

User Account

All Pages