A Certain Rare Form of Cancer Occurs in 37 Children

question 95

Multiple Choice

A certain rare form of cancer occurs in 37 children in a million, so its probability is 0.000037. In the city of Normalville there are 74,090 children. A Poisson distribution will be used to approximate the probability that
The number of cases of the disease in Normalville children is more than 2. Find the mean of the appropriate
Poisson distribution (the mean number of cases in groups of 74,090 children) .

• A) 2.7
• B) 0.000037
• C) 27,400
• D) 274

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Definitions:

Benzenesulfonic Acid

An organosulfur compound characterized by a benzene ring bonded to a sulfonic acid group, used in various chemical syntheses.

Bromination

A chemical reaction involving the addition of bromine to another substance, often leading to the substitution or addition of bromine atoms in organic compounds.

Toluene

A colorless, water-insoluble liquid hydrocarbon (C7H8) derived from coal tar or petroleum, used as a solvent and in the manufacture of various chemicals.

Mononitration Product

A compound resulting from the introduction of one nitro group (-NO2) into a molecule, typically through a nitration reaction.