A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
anonymous
 one year ago
At Sanger’s auto garage, 40% of the cars brought in for service need an oil change. Of the cars that need oil changes, 30% also need a tire rotation. Find the probability that a car that comes into the auto garage needs both an oil change and a tire rotation.
anonymous
 one year ago
At Sanger’s auto garage, 40% of the cars brought in for service need an oil change. Of the cars that need oil changes, 30% also need a tire rotation. Find the probability that a car that comes into the auto garage needs both an oil change and a tire rotation.

This Question is Open

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0In probability of usually means multiplication. What is 30% of 40%?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.030% of the 40% that require the thing = 0.3*0.4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how about this .3=P(A and B)/.4 => P(A and B) = .3*.4 = .12
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.