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(1 point) Air bubbles trapped in ancient amber may give clues to the composition of the earth's atmosphere in the distant past. Measurements on specimens

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(1 point) Air bubbles trapped in ancient amber may give clues to the composition of the earth's atmosphere in the distant past. Measurements on specimens of amber from the late Cretaceous era (75 to 95 million years ago) give these percents of nitrogen: mmmwmmmmm If these constitute a simple random sample from the late Cretaceous atmosphere. use a 98% confidence interval to estimate the mean percent of nitrogen in that atmosphere

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