Mathematics, 12.06.2020 17:57 mom9032

For one sample of mobile homes in the Los Angeles area, the mean NO2 concentration in kitchens during the summer was 37.54 ppb, and the standard deviation was 11.46. Making no assumptions about the shape of the NO2 distribution, what can be said about the percentage of observations between 14.62 and 60.46? (Round the answer to the nearest whole number.) at least %

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