2. [0.5111 Points] DETAILS PREVIOUS ANSWERS DEVORESTAT9 4.5.0765. MY NOTES ASK YOUR TEACHER An article suggests the lognormal distribution as a model for 502 concentration above a certain forest. Suppose the parameter values are pi = 2.2 and 0' = 1.1. la USE SALT (a) What are the mean value and standard deviation of concentration? (Round your answers to three decimal places.) mean 16.527 '1 standard deviation 25.354 (b) What is the probability that concentration is at most 10? Between 5 and 10? (Round your answers to four decimal places.) 2' between 5 and 10 ' Entera number. You may need to use the appropriate table in the Appendix of Tables to answer this