Answer:
The trial provides enough evidence that the probability of obtaining heads is less than 0.50 and that the coin is unfair.
Step-by-step explanation:
The explanation is in the picture
-6 you subtract and keep the sign of the greater number
Step-by-step explanation:
To get the inverse, swap the x- and y-variables, then solve for y. We should have the equation: 
Solving for y:
because
or 
So on interchanging the variable, we get the equation:
Answer:
B. $8 profit
Step-by-step explanation:
Loss is negative and profit is positive
Monday : -11
Tuesday: +18
Wednesday: -7
Thursday: +8
------------
+8
We have a profit of 8