A random variable X is exponentially distributed with a mean of 0.14.a-1.What is the rate parameter ? (Round your answer to 3 decimal places.) Solution Rate parameter 1/mean 7.142857 Variance mean^2 0.0196 Std dev Mean 0.14 P(x>0.24) e^(-0.24*7.1429) 0.180124 P(0.141.4) 0.367918 P(X>0.24) 0.180124 P(0.14.