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 1-square yard section will contain less than 4 weeds?
A) 0.0324
B) 0.0998
C) Nearly 0.5000
D) 0.9569

Question

Quizplus · Accepted Answer

The probability of having less than 4 weeds in a 1-square yard section can be calculated using the Poisson distribution formula. The sum of probabilities of having 0, 1, 2, or 3 weeds (when the average number of weeds is 1.3 per square yard) gives a high probability, which is closest to the option D) 0.9569. This calculation involves summing the probabilities of each of these outcomes, which are determined by the Poisson probability mass function.

The Number of Weeds That Remain Living After a Specific