Since 
, we know that 
follows a Poisson distribution with parameter 
.
Now assuming
denote the mean and standard deviation of , respectively, then we know right away that 
and 
.
So,
Now assuming
So,
Solve. 3x = 9x^2– 10
2 answers:
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Answer:
That is asking you to find the sine of (3/4) PI radians.
If you look at the attached graphic, you will see that (3/4) PI radians = 135 degrees
Going to this calculator, we see that the sine of 135 degrees is 0.70711
https://www.1728.org/trigcalc.htm
Step-by-step explanation:
