Answer:
Your answer
F(x1) = 350 -17.5x
F(x2) = 350 - 30x
F( x1-x2) = 12.5x
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Step-by-step explanation:
Answer:
a. mass is to kilogram.
Answer:
And we can find this probability with this difference:
Step-by-step explanation:
Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:
Where
and
We want to find the following probability:
And we can use the z score formula given by:
And using this formula we got:
And we can find this probability with this difference:
Answer:0.27881423829
Step-by-step explanation:
We are given with a complex no. and need to simplify it , so let's start !!!
Let's assume that :
Now , Rationalizing the denominator or in other words multiplying and dividing
by the <em>conjugate</em> of the denominator
Hence , Option B) <em>(8/5) + (6/5)i</em> is correct :D