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Mathematics 7 Online
OpenStudy (jessicawade):

can you check my advanced algebra answers? will medal and fan

OpenStudy (jessicawade):

Using the following uniform density curve, answer the question. What is the probability that the random variable has a value greater than 2? 0.750 0.625 0.875 0.700

OpenStudy (jessicawade):

OpenStudy (jessicawade):

i got c

hartnn (hartnn):

how ? \(=(8-2)*0.125\) isn't it ?

OpenStudy (jessicawade):

wait you had to subtract 8? lol

OpenStudy (jessicawade):

but yes your correct

hartnn (hartnn):

greater than 2 means from 2 to 8 so, 8-2

OpenStudy (jessicawade):

6 * 0.125?

OpenStudy (jessicawade):

its 0.75

hartnn (hartnn):

yes

OpenStudy (jessicawade):

thats what i got

OpenStudy (jessicawade):

so its a -_-

hartnn (hartnn):

correct, thats option a

OpenStudy (jessicawade):

lol thanks a have a few more k

hartnn (hartnn):

sure :)

OpenStudy (jessicawade):

Solve the problem. Round to the nearest tenth unless indicated otherwise. In one region, the September energy consumption levels for single-family homes are found to be normally distributed with a mean of 1050 kWh and a standard deviation of 218 kWh. Find P45, which is the consumption level separating the bottom 45% from the top 55%. 1087.8 1078.3 1021.7 1148.1

OpenStudy (jessicawade):

this one i guessed on because i dont like percents lol

hartnn (hartnn):

ask as separate question, i don't like normal distribution :P

OpenStudy (jessicawade):

hmm ok

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