Answer:
Quincy's claim is correct.
Step-by-step explanation:
Margin of error of a confidence interval:
The margin of error of a confidence interval decreases is the sample size increases, that is, if the sample size increases, the width of the interval decreases.
In this question:
Sample size of increases to 30 from 24, which means that the width of the interval will decrease.
Quincy's claim is correct.
Answer:
See Explanation
Step-by-step explanation:
Given
Required
The true statement
The question is incomplete, as no option is given.
I will solve generally, as follows;
A linear equation is represented as:
Where
slope
y intercept
So, by comparison:
Hence, the graph has a slope of -3 (a negative slope)
And the y intercept of 2
Answer:
$43.66 rounded to the nearest 10 =$40
15% of $40 = $6
Step-by-step explanation:
The answer is C, trust me.
Answer is x=8
Step-by-step explanation:
add up all the sides and set it equal to 20
add all the x's and constants
subtract the constant from both sides
then multiply by the reciprocal of the fraction from both sides and you'll get x