Answer:
Option : The product of the roots is - 4
Step-by-step explanation:

Therefore the roots are -4 and 1
The product of the roots are -4 x 1 = -4
Answer: 0.25 or 1/4
Step-by-step explanation:
1/2*2 = 1/2^2 = 1/4
Answer:
240
Step-by-step explanation:
Answer:
-0.0526
Step-by-step explanation:
Let X be the random variable denoting the net gain(in dollars) for a single trial(one bet).
Assuming that each number in the wheel is equally likely, probability of the outcome being a victory is
and probability of failure is
. For a win, X takes value 35 and for a loss X takes value -1. So the model is,



The mean for one bet is 
Answer:
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Step-by-step explanation:
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