What's 9+10 ? twenty -one
2 answers:
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Answer:
Mean= 554.4
Standard deviation= 82
Step by step Explanation:
The question want us to calculate a) mean b) standard deviation, while we were given the probability mass function of random variables.
The percentage were of the carbon dioxide were given below;
6% of the trees in a minimal growth condition at 340 = 0.06
13% at 430 ppm = 0.13
46% at 560 ppm = 0.46
35% at 630 ppm= 0.35
CHECK THE ATTACHMENT FOR DETAILED EXPLANATION
