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Nookie1986 [14]
4 years ago
11

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
Mathematics
1 answer:
Ivahew [28]4 years ago
4 0
B) Find the mean and variance of the number that survive
explanation:
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