Cancer prediction (continued) Refer to the previous exercise. For what values of the radius do you estimate that a female has a probability of (a) 0.50, (b) greater than 0.50, and (c) less than 0.50, of having breast cancer?
Voting and income A logistic regression model describes how the probability of voting for the Republican candidate in a presidential election depends on x, the voter’s total family income (in thousands of dollars) in the previous year. The prediction equation for a particular sample is
Find the estimated probability of voting for the Republican candidate when (a) income = $10,000, (b) income = $100,000. Describe how the probability seems to depend on income.
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