Does a random survey have to be representative of its population?

What is an activity-based process in which each phase in the SDLC is performed sequentially from planning through implementation and maintenance?

There are 3 red marbles in a bag of 12 marbles. A larger bag has a total of 26 marbles, including 7 red marbles. Are the chances of choosing a red marble from each bag the same?

Describe how the effective rate of interest of a money market or CD account can be calculated

A new shopping mall is gaining in popularity. Every day since it opened, the number of shoppers is 20% more than the number of shoppers the day before. The total number of shoppers over the first 4 days is 671.

Chris went to the store to purchase 5.5 gallons of milk. When he got to the store, he noticed that the milk was no longer sold in gallons but in liters.

What type of numbers has exactly two factors?

What's 2 + 2 i don't know that answer

Researcher Sandy Beach found a correlation coefficient of + 2.3 between variables X and Y. She is thrilled because that correlation is "like, way high." She also feels that this answer "proves that X is 'like, causing Y.

Martin paid $120 towards his $2400 credit card bill. what percentage did he pay

Write 389,457 in words