A Certain Rare Form of Cancer Occurs in 37 Children

question 50

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

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Definitions:

Actual Values

The real, measured values obtained from data collection as opposed to predicted or estimated figures.

Unusual Events

Occurrences that deviate significantly from the norm, which can impact operations, finances, or safety in various contexts.

Mean Absolute Deviation

A measure of variability that shows the average distance between each data point and the mean of the data set.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two quantitative variables.