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
3÷3=1
3÷12=4 so the answer is 1/4
Answer:
-1/2
Step-by-step explanation:
Subtract the exponents within the parentheses.
0-2 = -2
Then, Raise the answer to the power of -1
-2 ^ -1 ( on a calculator )
You're Welcome
0.4 is the divisor, or whichever number is under the fraction. This is because the denominator of any fraction is always the divisor of the numerator of the fraction.
Answer:
Scaling
Step-by-step explanation:
That's the definition:
Scaling is the process that resizes a number when you multiply by a fraction that is greater than or less than one.
