Table 12-7 gives data on the results of spraying rotenone of different concentrations on the chrysanthemum aphis in ~50 batches. Develop a suitable model to express the probability of death as a function of the log of X, the log of dosage, and comment on the results.

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Concentration (mg per liter) 9 Total Deaths log(X) 2.6 3.8 5.1 7.7 10.2 0.4150 0.5797 0.7076 0.8865 1.0086 0.120 0.333 0.522 0.857 0.880 48 46 49 16 24