A chemist analyzes seawater samples for two heavy metals: lead
and mercury. Past experience indicates that...
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A chemist analyzes seawater samples for two heavy metals: leadand mercury. Past experience indicates that 38% of the samplestaken from near the mouth of a river on which numerous industrialplants are located contain toxic levels of lead or mercury; 32%contain toxic levels of lead and 16% contain toxic levels ofmercury
What is the probability that a randomly selected sample will notcontain lead or will not contain mercury?
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SolutionGiven 38 of the samples taken from near the mouth of a riveron which numerous industrial plants are located contain toxiclevels
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