By solving the equation a = 2 - 9a, the value of a will be A. 2/5
B. 3/5
C. 1/5
D. 1/2

As a manufacturer of golf equipment, the spalding corporation wants to estimate the proportion of golfers who are left-handed. how many golfers must be surveyed if we want 99% confidence that the sample proportion has a margin of error of 0.025? assume that a previous study suggests that 20% of golfers are left-handed.