Answer:
a

b

Step-by-step explanation:
From the question we are told that
The data is 87 91 86 82 72 91 60 77 80 79 83 96
Generally the point estimate for the mean is mathematically represented as

=> 
=>
Generally the point estimate for the standard deviation is mathematically represented as

=> 
=> 
we know that
The x-intercept is the value of the variable x when the value of the function is equal to zero
so
In the table we have
is a x-intercept, because
For
the value of the function is equal to zero
is a x-intercept, because
For
the value of the function is equal to zero
therefore
<u>the answer is</u>
the continuous function in the table has two x-intercepts


Answer:
12,000
Step-by-step explanation:
2000*6 is 12000
Hope this helps plz hit the crown :D