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:

Indorses

To sign one's name on a document, especially on the back of a check or negotiable instrument, to make it payable to someone other than the stated payee or to accept responsibility.

Discharged From Liability

The release of a debtor from the obligation to repay a debt, usually following a legal process such as bankruptcy proceedings.

Dishonor

Failure to fulfill an obligation, especially the non-payment of a check or negotiable instrument when it is presented for payment.

Warranties

Legally binding promises made by a manufacturer or seller that a product or service meets certain quality and reliability standards or that certain repair or replacement conditions will be met.