Answer:
The variance of the profile is 0.2179.
Step-by-step explanation:
We are given the following in the question:

Variance of portfolio is given by:


Putting values, we get,

Thus, the variance of the profile is 0.2179.
We will have to use proportions:

Cross multiplying we get

Now divide:

Solve to tenths place we get

The woman casts a 36.6 ft long shadow.
Answer: 8
Step-by-step explanation:
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Answer:
x
12
Step-by-step explanation: