A simple random sample of 600 elements generates a sample proportion (barp=0.61). a. Provide the 90% confidence interval for the population proportion (to 4 decimals). b. Provide the 99% confidence

a) a. (0.5861, 0.6339) ; b. (0.5723, 0.6477)
b) a. (0.5923, 0.6277) ; b. (0.5661, 0.6539)
c) a. (0.5800, 0.6400) ; b. (0.5550, 0.6650)
d) a. (0.5712, 0.6488) ; b. (0.5598, 0.6602)