We need to find that the probability that the person is male or frequently involved in charity work.
From the attached figure, Total no of people = 2881 No of Males = 1479No of females who are frequently involved = 205 ∴ Total no. of males or frequently involved = Sum of both = 1479 + 205 = 1684∴ Probability = = ∴ Probability = 58.45%
Cost of airplane toy = $4.84 let x be the cost of the toy car cost of airplane toy is 4 times the cost of toy car; it means 4x = $4.84 x = 4.84 / 4 x = 1.21 Thus, the cost of toy car is $1.21.