3(9)=27
27+4Y=43
subtract 27 from both sides
4Y=16
devide both sides by 4
Y=4
Answer: (20.86, 22.52)
Step-by-step explanation:
Formula to find the confidence interval for population mean :-

, where
= sample mean.
z*= critical z-value
n= sample size.
= Population standard deviation.
By considering the given question , we have


n= 58
Using z-table, the critical z-value for 95% confidence = z* = 1.96
Then, 95% confidence interval for the amount of time spent on administrative issues will be :





Hence, the 95% confidence interval for the amount of time spent on administrative issues = (20.86, 22.52)
1 Whole is bigger than a fraction
1 part of the 6 equal groups is shaded
1/3
Answer:
i think the scale factor is 3:2
Step-by-step explanation:
To figure the total difference divide:
6 divided by 4 = 1.5
1.5 = 3/2
pls tell me if wrong
Hope this helps
Answer: $14
Steps:
What if 35% of $40
35% of 40
35% * 40
0.35 * 40 = $14
She will save $14
Tips:
-The word “of” means multiply
-To change a percent to a decimal move the decimal 2 places to the left.
If this was helpful and correct I would appreciate the brainliest! :)