Given Normally Distributed Random Variable X with a Mean of 12

question 3

Short Answer

Given normally distributed random variable X with a mean of 12 and a standard deviation of 3.4, find the following probabilities.
A) P(11 < X ≤ 16.4)
B) P(9 ≤ X < 11.5)
C) P(8.6 < X < 15.4)
D) P(X > 13.6)

• A) P(11 < X ≤ 16.4)
• B) P(9 ≤ X < 11.5)
• C) P(8.6 < X < 15.4)
• D) P(X > 13.6)

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Definitions:

Trial Balance

A bookkeeping worksheet in which the balances of all ledgers are compiled into debit and credit account column totals that are equal.

Adjustments

At the close of an accounting period, records are adjusted to attribute revenues and expenses to the timeframe in which they truly happened.

Adjusted Trial Balance

A list of all accounts and their balances after adjustments have been made, used as the basis for preparing financial statements.

Adjusted Trial Balance

A listing of all company accounts that will appear in the financial statements after adjustments have been made for journal entries.