Answer:
-1
Step-by-step explanation:
Slope is calculated with the general equation
where you compare the difference between two sets of data points on the slope.
I will use the points (-2, 0) and (0, -2).

This gives us -2/2 or a slope of -1
Answer:
.tseylniarb teg lliw tsrif drawkcab ecnetnes siht syas reveohW
Answer:
its 710%
Step-by-step explanation:
710% hope it helps!

Explanation:
Since we have given that
The prices of three t-shirts styles i.e $24, $30, $36 with their probability is given by

As we know that,


Now,

and

So,

So, the expected value of a t-shirt = $31.
Answer:

Step-by-step explanation:
We are given the following in the question:
The owner of a football team claims that the average attendance at games is over 63,500.
He wants to justify that the team needs to be moved to a larger stadium outside the city.
If the attendance is larger than 63,500 the team would be moved to a larger stadium and if it is less than or equal to 63,500 that it would not.
Thus, the null and alternate hypothesis will be designed as:

The null hypothesis says that the average attenders is equal to or less than 63,500 and alternate supports the claim that the attenders average is greater than 63,500.