The 99 percent confidence interval for the population mean is found from:


The answer is:
It is true the relationship is proportional.
hope this helps!!
The value of a is 0.10.
The value of b is 20.78.
The value of c is 0.02.
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What are the missing values?</h3>
When two variables have inverse variation, the two variables move in opposite directions. If one variable increases, the other decreases.
p = 8.31 / V
V = 8.31 / p
a = 8.31 / 83.1 = 0.10
b = 8.31 / 0.4 = 20.78
c = 8.31 / 415.5 = 0.02
To learn more about inverse relationships, please check: brainly.com/question/25748643
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Answer:
0.289
Step-by-step explanation: