The following frequency table shows the classification of 58 landfills in a stat

Question

The following frequency table shows the classification of 58 landfills in a state according to their concentration of the three hazardous chemicals arsenic, barium, and mercury. If a landfill is selected at random, find the probability that is has a high concentration of mercury high concentration of barium and low concentration of arsenic and mercury high concentrations of any two of the chemicals and low concentration of the third high concentration of any one of the chemicals and low concentrations of the other two

Explanation / Answer

3.11

a)

P = (1+4+5+10)/58 = 0.344827586 [ANSWER]

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b)

P = 8/54 = 0.148148148 [ANSWER]

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c)

P = (4+5+3)/54 = 0.222222222 [ANSWER]

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d)

P = (9+10+8)/54 = 0.5 [ANSWER]

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