A teacher asks her students to write down the number of hours studied, rounded to the nearest half hour. She compiles the results and develops the probability distribution below for a randomly selected student. What is the mean of the probability distribution?

coin flip

non-answer:

choosing

sorry if this isnt what you're looking for i dont really understand the question

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

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step-by-step explanation:

mark brainliest!

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: