Ask Question
27 October, 06:25

A particular concentration of a chemical found in polluted water has been found to be lethal to 20% of the fish that are exposed to the concentration for 24 hours. Twenty fish are placed in a tank containing this concentration of the chemical in water.

a) Find the probability that at most 16 survive.

b) Find the mean and variance of the number that survive

+3
Answers (1)
  1. 27 October, 09:45
    0
    B) Find the mean and variance of the number that survive
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A particular concentration of a chemical found in polluted water has been found to be lethal to 20% of the fish that are exposed to the ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers