Grades You Believe That There Is a 20% Chance That

question 147

Essay

Grades You believe that there is a 20% chance that you will earn an A in your English
class, a 10% chance that you will earn an A in your Physics class, and a 5% chance that you
will earn an A in both classes.
a. Find the probability that you do not get an A in either English or Physics.
b. Are "earning an A in English" and "earning an A in Physics" disjoint events? Explain.
c. Are "earning an A in English" and "earning an A in Physics" independent events?
Explain.

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Definitions:

Allowance Method

An accounting technique used to account for bad debts by estimating uncollectible accounts at the end of each period.

Bad Debt Expense

An expense reported on the income statement, representing the amount of receivables that a company does not expect to collect due to customer default.

Current Assets

Resources owned by a company that are expected to be converted into cash, sold, or consumed within one year or within the operating cycle of the business, whichever is longer.

Sales Discounts

A reduction in the price of goods or services offered to customers, usually as an incentive for early payment or bulk purchases.