The Probability Mass Between Two Standard Deviations Around the Mean

question 6

Multiple Choice

The probability mass between two standard deviations around the mean for a normal distribution is ________.

• A) 66%
• B) 90%
• C) 75%
• D) 95%

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Definitions:

Directly Obtained

Refers to information or results that are immediately accessible without the need for intermediate steps or calculations.

Limiting Conditions

Conditions or constraints that define the bounds or limits within a program or algorithm can operate.

Tail Recursive

A special form of recursion where the recursive call is the last operation in the function, allowing for optimization by some compilers.

Factorial Method

A function that calculates the product of an integer and all the integers below it; for example, 5 factorial (5!) is 5 x 4 x 3 x 2 x 1.