Poisson $-$ Greater than

Orders for Apple stock arrive at the NASDAQ exchange at a rate of $7$ per second on average. What is the probability of the NASDAQ exchange receiving more than $8$ orders for apple stock in one second?

Hint: Independent arrivals with fixed mean follow a Poisson Distribution

$28\mathrm{.}09\%$

$25\mathrm{.}09\%$

C$)27\mathrm{.}09\%$

$26\mathrm{.}09\%$