Asked by Auma Stephen Onyango
In a village with a population of 1500,the probability of a person falling sick is 0.002. Find the probability that
a)3people fall sick in a week
b)less than 3 fall sick in a week
c)at most 3 fall sick in a week
d)more than 2 fall sick in a week
a)3people fall sick in a week
b)less than 3 fall sick in a week
c)at most 3 fall sick in a week
d)more than 2 fall sick in a week
Answers
Answered by
Scott
this is a binomial probability
... sick (.002) or not sick (.998)
... (n + s)^1500
expanding ... n^1500 + 1500 n^1499 s +
1500C2 n^1498 s^2 + 1500C3 n^1497 s^3 + ...
a) 4th term
b) sum of 1st three terms
c) sum of 1st four terms
d) 1 - [answer b)]
... sick (.002) or not sick (.998)
... (n + s)^1500
expanding ... n^1500 + 1500 n^1499 s +
1500C2 n^1498 s^2 + 1500C3 n^1497 s^3 + ...
a) 4th term
b) sum of 1st three terms
c) sum of 1st four terms
d) 1 - [answer b)]
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.