The number of weeds that remain living after a specific chemical has been applied averages 1.3 per square yard and follows a Poisson distribution.Based on this,what is the probability that a 3-square yard section will contain less than 4 weeds?
A)0.4531
B)0.2001
C)0.6482
D)0.1951

Question

Quizplus · Accepted Answer

The average number of weeds in a 3-square yard section is 3 * 1.3 = 3.9. Using the Poisson distribution with λ = 3.9, the probability of having less than 4 weeds is calculated by summing the probabilities of having 0, 1, 2, and 3 weeds, which results in approximately 0.4531.

The Number of Weeds That Remain Living After a Specific