What is the probability that a household size is  

Income ($1000s) 54 30 32 50 31 55 37 40 66 51 25 48 27 33 65 63 42 21 44 Household Size 3 N W 2 4 5 AND NNU 2 2 1 2 4 3 3 4 462 WNPA 1 2 3 4 1 Amount Charged ($) 4,016 3,159 5,100 4,742 1,864 4,070 2,731 3,348 4,764 4,110 4,208 4,219 2,477 2,514 4,214 4,965 4,412 2,448 2,995