A Sample of Holiday Shoppers Is Taken Randomly from a Local

question 118

Short Answer

A sample of holiday shoppers is taken randomly from a local mall to determine the average daily spending on gifts. From a preselected sample, the standard deviation was determined to be $26. You would like to construct a 95% confidence interval for the mean daily spending on all holiday spending.
A) Find the appropriate sample size necessary to achieve a margin of error of $5.
B) Find the appropriate sample size necessary to achieve a margin of error of $8.

• A) Find the appropriate sample size necessary to achieve a margin of error of $5.
• B) Find the appropriate sample size necessary to achieve a margin of error of $8.

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Definitions:

Specification of Heirs

is the process or legal document in which a person designates who will inherit their assets after death.

Nuncupative Will

An orally delivered will, often made in anticipation of imminent death, and usually requiring witnesses, with legal recognition varying by jurisdiction.

Notarial Will

A will that is drafted and executed with formalities dictated by law, often involving a notary and witnesses.

Holographic Will

a will written entirely in the handwriting of the person making it (testator), typically not witnessed, and subjected to specific legal requirements to be considered valid.