Question

There is an average of 1.1 weedy species per square metre in a native grassland. What is the probability that a square metre has 3 weedy species? Group of answer choices 0.3000 0.3654 0.0378 0.0738

Name: there is an average of 11 weedy species per square metre in a native grassland what is the probability that a square metre has 3 weedy species group of answer choices 03000 03654 00378 00738 13214
Uploaded: 2022-04-12T17:46:43-08:00
Duration: 1 min 36 s
Channel: Audrey Fong
Description: there is an average of 11 weedy species per square metre in a native grassland what is the probability that a square metre has 3 weedy species group of answer choices 03000 03654 00378 00738 13214

          There is an average of 1.1 weedy species per square metre in a native grassland. What is the probability that a square metre has 3 weedy species?
Group of answer choices
0.3000
0.3654
0.0378
0.0738

Added by Tom R.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Audrey Fong

04/12/2022

Step 1

1, we can use the Poisson distribution. The Poisson probability mass function is given by: \[ P(X = k) = \frac{e^{-\lambda} \lambda^k}{k!} \] where: - \( \lambda \) is the average rate (1.1 in this case), - \( k \) is the number of occurrences we want to find the Show more…

Show all steps

Thanks for your feedback!

There is an average of 1.1 weedy species per square metre in a native grassland. What is the probability that a square metre has 3 weedy species? Group of answer choices 0.3000 0.3654 0.0378 0.0738