Answer:
27% chance a tv is defective. 13% chance one at least one doesn't work.
Step-by-step explanation:
100/15
4X6.67=26.67
*NOT 100% JUST TRYING TO HELP*
The formula for finding the area of a trapezoid is: sum of bases*height*1/2
By plugging in the information that we already have, we know: (119+65)*height*1/2=5658
184*1/2*height=5658
92*height=5658
height=61.5cm.
Check:
119+65=184
184*61.5=11316
11316*1/2=5658