Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing
monica10
Group Title
9. From a shipment of 400 lightbulbs, a sample of 80 was selected at random and tested. If 32 lightbulbs in the sample were found to be defective, how many defective lightbulbs would be expected in the entire shipment?
A 200
B 128
C 160
D 192
 2 years ago
 2 years ago
monica10 Group Title
9. From a shipment of 400 lightbulbs, a sample of 80 was selected at random and tested. If 32 lightbulbs in the sample were found to be defective, how many defective lightbulbs would be expected in the entire shipment? A 200 B 128 C 160 D 192
 2 years ago
 2 years ago

This Question is Closed

meverett04 Group TitleBest ResponseYou've already chosen the best response.4
Proportion dw:1327414049485:dw cross multiply 80x = 12800 divide by 80 x = 160 which is C
 2 years ago
See more questions >>>
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.