1 answer

3. Only about 3 in 100 Cicadas live for more than 5 days. What is the...

Question:

3. Only about 3 in 100 Cicadas live for more than 5 days. What is the probability that in a sample of 50 Cicadas, at least on
3. Only about 3 in 100 Cicadas live for more than 5 days. What is the probability that in a sample of 50 Cicadas, at least one will still be alive after 5 days? You can assume Cicada survivals are independent.

Answers

from independence:

P(at least one will still be alive after 5 years) =1-P(none of 50 will be alive after 5 days) =1-(1-3/100)50 =0.781935

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