4
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Answer:
f = 2.25
Step-by-step explanation:
Given that,

Adding 3/4 to both sides of the equation.

So, the value of f is equal to 2.25.
I think the answer is 1/16 because there is only one way that HTHT can fall out of 16 possible outcomes. That's what I think. Hope this helps!
Answer:
A
Step-by-step explanation: