catPIE2473
07.12.2020 •
Mathematics
Harvey is a car repair man he charges an hourly rate plus an equipment fee. If for 2 hours Harvey charges 80$ but for 4 hours he charges 110$ how much is Harvey's equipment fee and hourly rate? Please show what you did and explain how you got the correct answer.
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Ответ:
1.
theoretical is not counting the results of the experiments
since there are an equal number of red and black and red, the probblity (theoretical) of picking a black one is 1/3
experimental=number of outcomes happened/total number of tests
4 times black, 4 tests, so 4/4 or 100%=experimental proablity
2. experimental considered previous trials and theoretical did not
3. theoretical=(1/4) the trials don't influence each other so
1/(4*4)=1/16