Question 1 asks the probability of one ice core being selected that has a huge(high) level of nitrate and it also has a huge(high) level of D-D-T, D-D-D, and D-D-E. Question 2 asks the probability of one ice core being selected that has a huge(high) level of nitrate given a low level of D-D-T, D-D-D, and D-D-E. Please explain how you came up with your answers.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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I need help with these two problems. It invovles looking at this chart, and answering the porbability of that chart. Question 1 asks the probability of one ice core being selected that has a huge(high) level of nitrate and it also has a huge(high) level of D-D-T, D-D-D, and D-D-E. Question 2 asks the probability of one ice core being selected that has a huge(high) level of nitrate given a low level of D-D-T, D-D-D, and D-D-E. Please explain how you came up with your answers. 

DDT, DDE, DDD level
High | Moderate | Low | Total
High
Nitrate level Moderate
Low
105
80
55
240
70
175
145
390
25
45
300
370
Total
200
300
500
1000
Transcribed Image Text:DDT, DDE, DDD level High | Moderate | Low | Total High Nitrate level Moderate Low 105 80 55 240 70 175 145 390 25 45 300 370 Total 200 300 500 1000
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