Answer: D) Increase the sample size and decrease the confidence level.
Step-by-step explanation:
A reduced interval width means that the data is more accurate. This can only be achieved if the sample size is increased because a larger sample size is able to capture more of the characteristics of the variables being tested.
A smaller confidence interval will also lead to a reduced interval width because it means that the chances of the prediction being correct have increased.
Answer:
Given the statement:
9 less than the sum of x and 5
"Sum of x and 5" means 
"
" means subtract
then;
the statement 9 less than the sum of x and 5 becomes;
⇒
⇒
Therefore, the expression for the given statement is 
Answer:
add all of the sides together
Step-by-step explanation:
Answer:
For the first question it is 2.
2 x 2 = 4
5 x 2 = 10
4 + 10 - 14 = 0
The second question is -2
-2 x -2 = 4
5 x -2 = -10
4 + -10 + 6 = 0
Hope this helps
Step-by-step explanation: