The answer is 2/3 I hope it helped
Answer: To find the vertex: use formula x= -b/2a.
plug x into the given equation to find y value.
now you have (h,k)
find a point on the graph and plug in to the vertex form equation to find "a"
Step-by-step explanation:
Complete Question
The complete question is shown on the first uploaded image
Answer:
Value x of X -3 -7 -15
Step-by-step explanation:
From the question we are told that
The values of X are
The total number of outcomes is n = 8
The probability distribution function of X is evaluated as follow
Where is the number of time X = -3 occurred and from the table the value is
Therefore
Now
Where from table
So
Also
Answer:
<h2>12, 14</h2>
Step-by-step explanation: