In a factory that manufactures tires, a machine responsible for molding the tire has a failure rate of 0.2%. If 1,000 tires are produced in a day, of which 6 are faulty, what is the difference between the experimental probability and the theoretical probability?

0.4%
0.2%
0.6%
1%

Question

In a factory that manufactures tires, a machine responsible for molding the tire has a failure rate of 0.2%. If 1,000 tires are produced in a day, of which 6 are faulty, what is the difference between the experimental probability and the theoretical probability?

0.4%
0.2%
0.6%
1%

dan815 · Answer

0.2% of 1000 is?

dan815 · Answer

0.2% = 0.2/100 = 2/1000

dan815 · Answer

0.2% of 1000 
means
2/1000 * 1000 = 2

dan815 · Answer

you were expected 2, but you say 6, what percentage is 6 out of 1000?

dan815 · Answer

6/1000=0.6/100=  0.6%

dan815 · Answer

they asked for the difference between these 2, so what is the answer?

anonymous · Answer

so I need to find out the difference between 0.6% and 2?

anonymous · Answer

I'm confused on what answers I need to find the difference

dan815 · Answer

the other one is 0.2%

dan815 · Answer

they want the difference between the actual % and the experimental %

dan815 · Answer

do you understand percentages?

dan815 · Answer

percentage means to take a number and rewrite as a fraction with a denominator 100

anonymous · Answer

yes sorry I was just confused

dan815 · Answer

its fine, ask anything

anonymous · Answer

so the difference between 0.2 and 0.6 is 0.4?

anonymous · Answer

A is the correct answer. thanks for the help