Answer:
i think its 67 (im not sure)
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<em>-Sumin <3</em>
The answer is associative property because no matter how you group the numbers, you still get the same number. hopefully my answer helped you
Answer:y=Mx+b
Step-by-step explanation:
Answer:
80% probability that it will take Victoria greater than 8 minutes (total) for a puzzle that she has already been working on for 7 minutes
Step-by-step explanation:
An uniform probability is a case of probability in which each outcome is equally as likely.
For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.
The probability that we find a value X greater than x is given by the following formula.

Uniformly distributed random time between 4 minutes and 12 minutes.
This means that 
What is the probability that it will take Victoria greater than 8 minutes (total) for a puzzle that she has already been working on for 7 minutes?
Already working for 7 minutes, so a is updated to 7.

80% probability that it will take Victoria greater than 8 minutes (total) for a puzzle that she has already been working on for 7 minutes