AMDM MidtermExam study guide

Front

What is the periodic rate?

Back

The periodic rate is the interest rate charged or earned on a loan or investment over a specific period of time, typically expressed as a percentage.

Front

What is the probability of an event?

Back

The probability of an event is a measure of the likelihood that the event will occur, calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Tags

CCSS.7.SP.C.5

Front

How many possible values can the digit 'A' take in a seven-digit phone number ABC-DEFG?

Back

The digit 'A' can take any value from 1 to 9, giving it 9 possible values.

Front

How many possible values can the digits B and C take in a seven-digit phone number ABC-DEFG?

Back

The digits B and C can take any value from 2 to 9, giving each 8 possible values.

Tags

CCSS.7.SP.C.8B

Front

What is the total number of unrestricted digits in a seven-digit phone number ABC-DEFG?

Back

The digits D, E, F, and G have no restrictions, so each can take any value from 0 to 9, giving each 10 possible values.

Front

How do you calculate the total number of seven-digit phone numbers with restrictions?

Back

Multiply the number of choices for each digit: 9 (A) * 8 (B) * 8 (C) * 10 (D) * 10 (E) * 10 (F) * 10 (G) = 5,760,000.

Tags

CCSS.HSS.CP.B.9

Front

What is a combination in mathematics?

Back

A combination is a selection of items from a larger set where the order of selection does not matter.

Front

How many different 3-person committees can be formed from a group of 15 people?

Back

The number of different 3-person committees is calculated using combinations: C(15,3) = 15! / (3!(15-3)!) = 455.

Front

What is the formula for combinations?

Back

The formula for combinations is C(n, r) = n! / (r!(n-r)!), where n is the total number of items, and r is the number of items to choose.

Front

What is the maximum liability for a lost credit card if reported immediately?

Back

If a credit card is reported lost before any unauthorized charges, the cardholder is typically not responsible for any charges made after the report.