Question

A machine needs 2 of its gears replaced. You find 2 gears, one manufactured 5 years ago and the other manufactured 10 years ago. The specifications sheet says that the chance of failure is 5% after 5 years and increases to 8% after 10 years. If the gears on the machine are in no way linked to each other, what are the chances that both will fail?
0.2%
0.9%
40%
7.5%
0.4%

Answer 1

@mathstudent55

Answer 2

help

Answer 3

@JoannaBlackwelder

Answer 4

idk c maybe

Answer 5

.05*.08

Answer 6

40

Answer 7

.40

Answer 8

but yes 40%

Answer 9

cool dud how long r u going to be online

Answer 10

i will be around

Answer 11

:)

Answer 12

dud i got 21 more can you help me with them

Answer 13

ok