I just need some help double-checking my work for this problem, I personally got answer [a] using the TI-84 function normalpdf

Q: A certain type of light bulb has an output known to be normally distributed with a mean of 2500 end foot-candles and a standard deviation of 75 end foot-candles. What is the probability a randomly selected light bulb's output is 2240 end foot-candles?

a) 1.307 x 10^-5

b) 0.9192

c) 2.635 x 10^-4

d) 0.1187

e) none of the above