The supplement to a guide is planned to be published after 20 new species have been discovered at the 11.8 month.
The Poisson distribution is used to resolve this question, as we've got best the suggest. In this distribution, the usual deviation is the rectangular root of the suggest.
In this question, we've got that:
- Species are determined at a price of as soon as each 7 months.
- A complement to a manual is deliberate to be posted after 20 new species were determined.
- a) What are the predicted fee and widespread deviation of the wide variety of months (dealt with as a non-stop degree of time) till the complement is posted?
- Mean is: 7x 20 = a 140 months.
- Standard deviation is sqrt a hundred and forty = 11.8 months.
- The suggest till the complement is posted is a hundred and forty months, whilst the usual deviation is of 11.8 months
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Answer:
I think yes but I'm not sure.
Explanation:
