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The correct size of a nickel is 21.21 millimeters. Based on that, the data can be summarized into the following table: Too Small Too Large Total Low Income 17 23 40 High Income 26 9 35 Total 43 32 75 Use the smaple data from the previous problems to find a 90% confidence interval for the proportion of children in the low income group that drew the nickel too large. Round all answers to 3 decimal places. (a) Critical value (positive value only): :] mmwwwwt:::::::j (c) Confidence interval: l:(