Answer:
280 miles per week
Step-by-step explanation:
There are approximately 52 weeks in a year, so divide the miles by 52.
14578/52 = 280
Answer:
80%
Step-by-step explanation:
40/50 = 80/100 = 80%
Following the mathematical rules:
0. First, the parenthesis must be solved
,
1. In second place goes the multiplication
Therefore, to make it equivalent to 36:
![\begin{gathered} 4\times(7+2) \\ =4\times(9) \\ =4\times9 \\ =36 \end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%204%5Ctimes%287%2B2%29%20%5C%5C%20%3D4%5Ctimes%289%29%20%5C%5C%20%3D4%5Ctimes9%20%5C%5C%20%3D36%20%5Cend%7Bgathered%7D)
Answer: A.
Answer:
Width of confidence interval will increase.
Step-by-step explanation:
The sample size as an effect on the width of the confidence interval being calculated as it determines the value of the error margin. In general, increasing the sample size reduces the width of the confidence that interval while decrease in its value increases the error margin and hence the confidence interval.
Confidence interval :
Xbar ± Error margin
Error margin = Tcrit * s/ sqrt(n)
n = sample size
Being the denominator, a decrease in its value will result in an increase in error margin.