It Is Reported That 7% of the Super Star Scratch-And-Win

question 102

Multiple Choice

It is reported that 7% of the Super Star scratch-and-win lottery tickets are winners.If you scratch 250 tickets what is the variance of the random variable "number of winners"?

• A)12.5
• B)11.9
• C)16.3
• D)14.8
• E)9.9

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Definitions:

Tariff

A tax imposed by a government on goods and services imported from other countries, often used to protect domestic industries from foreign competition.

Government Revenues

The total money received by the government from taxes as well as non-tax sources like charges and fees.

Total Revenue

The total amount of money generated by the sale of goods or services before any expenses are subtracted.

Domestic Producers

Companies or individuals that produce goods and services within their home country.