Determine the Indicated Probability for a Poisson Random Variable with the Given

Multiple Choice

Determine the indicated probability for a Poisson random variable with the given values of $\lambda \text { and } t$ $\lambda = 0.6 , t = 7 , P ( \text { No more than } 3 )$

A) 0.3954
B) 0.6196
C) 0.3804
D) 0.2102