Answer:
x=34
Step-by-step explanation:
Just take 47-13=34
Answer:
za/2: Divide the confidence level by two, and look that area up in the z-table: .95 / 2 = 0.475. ...
E (margin of error): Divide the given width by 2. 6% / 2. ...
: use the given percentage. 41% = 0.41. ...
: subtract. from 1.
Answer:
$150
Step-by-step explanation:
Additional 5% and 20% on the original cost is additional 25%
Total cost = 125% of 120
= (125/100)×120
= 150