Question

TYPES OF CARS WORKED ON German cars 25% Other 10% American 50% Japanese 15% These are the types of cars worked on in the auto service.

6) What is the probability that the next car worked on will be Japanese or German?

7) If the mechanics work on 6,000 cars next year, how many cars would probably be Japanese?

I really would appreciate help on this! Thank you​

Answer 1

6) 40%

7) 900 cars

Explanation:

German 25%

Other 10%

American 50%

Japanese 15%

……………………………………………

6) the probability that the next car worked on

will be Japanese or German :

p(J∪G) = p(J) + p(G) = 15% + 25% = 40%.

…………………………………………………………

7) the probable number of Japanese cars :

`6000* (15)/(100) = 900`