Use the Poisson Distribution to find the indicated probability. Round to three decimal places when necessary.
-A computer salesman averages 1.9 sales per week. Use the Poisson distribution to find the probability that in a randomly selected week the number of computers sold is
A)3. 0.188
B)0.214
C)0.171
D)0.325

Question

Use the Poisson Distribution to find the indicated probability. Round to three decimal places when necessary.
-A computer salesman averages 1.9 sales per week. Use the Poisson distribution to find the probability that in a randomly selected week the number of computers sold is 
A)3. 0.188
B)0.214
C)0.171
D)0.325

Quizplus · Accepted Answer

The probability of observing k events in a Poisson distribution is given by P(X=k) = (λ^k * e^(-λ)) / k!, where λ is the average rate (1.9 in this case) and k is the number of events (3 here). Calculating this gives approximately 0.171.

Use the Poisson Distribution to Find the Indicated Probability