Quantcast What is the probability that less than 6 bulbs are faulty? - XP Math - Forums
XP Math Home Sign Up FREE! | Sign In | Classroom Setup | Common Core Alignment PDF Version

Go Back   XP Math - Forums > Welcome > Off-Topic Discussion
Reload this Page What is the probability that less than 6 bulbs are faulty?
Register Arcade Members List Mark Forums Read

 
 
Thread Tools Display Modes
Old 08-03-2007   #1
prashmanic
Guest
 
Posts: n/a
Default What is the probability that less than 6 bulbs are faulty?
A factory manufacture light bulbs at the rate of several thousands per day. It is known that 65% of the bulbs are faulty, with a consignment of 10 bulbs. What is the probability that less than 6 bulbs are faulty?Could anyone show working using Binomial Distribution concept in Probability.
 
Old 08-03-2007   #2
Federico M
Guest
 
Posts: n/a
Default
35%=chances a light bulb is faulty5 = bulbs that have to be good10 = total bulbs100%-(35% x 5/10)=82,5%
 
Old 08-03-2007   #3
Yates
Guest
 
Posts: n/a
Default
It's binomially distributed with parameters n=10 and p=0.65X~B(10, 0.65)P(X
 
 

« Previous Thread | Next Thread »
Thread Tools
Display Modes
Linear Mode Linear Mode

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -4. The time now is 02:00 AM.

Contact Us - XP Math - Forums - Archive - Privacy Statement - Top

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
XP Math