Solve the Problem. -Determine the Probability That in a Class of 12 Students

question 69

Multiple Choice

Solve the problem.
-Determine the probability that in a class of 12 students, at least two students have the same birthday. Assume that birth rates are constant throughout the year.
(Hint: First determine the probability that no two students have the same birthday and then apply
The complementation rule.)

• A)0.247
• B)0.207
• C)0.833
• D)0.167

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Definitions:

REM

Rapid Eye Movement, a distinct phase of sleep associated with vivid dreaming and increased brain activity.

Sleep Spindles

Bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of NREM sleep, implicated in sleep maintenance and memory consolidation.

Stage 2 Sleep

A phase of sleep characterized by specific brain wave patterns including sleep spindles and K-complexes, representing a deeper sleep than stage 1.

EEG Activity

The recording of electrical activity along the scalp produced by the firing of neurons within the brain, typically referred to as electroencephalography.