A Recent Study Found That the Average Life Expectancy of a Person

question 7

Multiple Choice

A recent study found that the average life expectancy of a person living in Africa is 53 years with a standard deviation of 7.5 years. If a person in Africa is selected at random, what is the probability that the
Person will die before the age of 65?

• A) 94.52%
• B) 82.89%
• C) 94.95%
• D) 88.49%

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Definitions:

Retrograde Amnesia

Inability to remember events that took place before the onset of amnesia.

Anterograde Amnesia

Inability to remember events subsequent to a disturbance of the brain such as head trauma, electroconvulsive shock, or neurodegenerative disease.

Memory Loss

The unusual forgetfulness of recalling past events, information, or experiences, which may be temporary or permanent, depending on the cause.

Korsakoff Syndrome

A chronic memory disorder caused by severe deficiency of thiamine (vitamin B1), often associated with alcoholism.