A student is taking a multiple-choice test that has 80 questions. Each question has 5 answer choices.

If the student guesses randomly on every question, how many questions should the student expect to

answer correctly?

Question not on textbook: An insurance company has 25,000 automobile policy holders. If the yearly claim of a policy holder is a random variable with mean 320 and standard deviation 540, use CLT to approximate the probability that the total yearly

Which table shows equivalent measurements

Brian has reduced his cholesterol level by 14% after his last check up. If his original level was 280, what is his approximate cholesterol level now?

Simplify (2n + 5) - (3n + 7) + (4n - 9).

Eva wanted to fill bags with 3/4 pounds of trail mix. she started with 11 3/8 pounds but ate 1/8 pound before she started filling the bags. How many bags could she fill

Which of the following best describes the term definition

Diameter of the earth is 12756m in 1996 an new planet was discovered whose diameter is 5/86 of the diameter of the earth find the diameter of this planet in km

When it is best to solve using factoring and the Zero Product Property. Include at least one example of an equation that you would use this method to solve.

Find the slope for the following line:y=3/4*-7

My last question had something wrong with the typing, so im remaking the post Samuel has a collection of toy cars. His favorites are the 27 red ones which make up 60%, percent of his collection. How many toy cars does Samuel have?