06/02/21

Probability and Statistics

The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 121 and standard deviation of 17 .Someone qualifies as having Stage 2 high blood pressure if their... more
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07/26/19

Word Problem - Linear Systems

Ken asked a friend to rent him a video game and as a joke the friend rented one that he didn’t think Ken would like. He was right. So Ken paid his friend the rental cost of $6.15 (including taxes)... more
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07/26/19

A small acting club has four members three of the members are to be chosen for trip to see a Broadway play how many different three member groups are possible

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07/25/19

Decay Rate for decomposing bacteria-word problem
The rate that a chemical decomposes is increasing 1.9 percent continuously. What's the actual hourly percent increase?I feel like these questions are too vague, is there a formula I can use that... more
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