wyattdawes45
08.10.2019 •
Mathematics
An article suggests the lognormal distribution as a model for so2 concentration above a certain forest. suppose the parameter values are μ = 1.8 and σ = 0.9. (a) what are the mean value and standard deviation of concentration? (round your answers to three decimal places.) mean standard deviation (b) what is the probability that concentration is at most 10? between 5 and 10? (round your answers to four decimal places.) at most 10 between 5 and 10
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Ответ:
Step-by-step explanation:
Ответ:
1: Yes, because when you multiply 2.7 and 2.5 you receive the answer of -6.75.
2: No, the answer of -15/28 was correct, BUT, when you multiply two negative numbers together its always positive, therefore the answer is 15/28
Step-by-step explanation: