5A micropaleontologist analyzing microfossils found that 40% of the 120 samples collected from Site A showed evidence of warm climate conditions, while 25% of the 80 samples from Site B indicated similar evidence. If the scientist selects one sample at random from the combined collection, what is the probability it came from Site B and indicates warm climate conditions?

Tue, 05 May 2026 09:14:39 +0000

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