Jump to content

Welcome to Geeks to Go - Register now for FREE

Geeks To Go is a helpful hub, where thousands of volunteer geeks quickly serve friendly answers and support. Check out the forums and get free advice from the experts. Register now to gain access to all of our features, it's FREE and only takes one minute. Once registered and logged in, you will be able to create topics, post replies to existing threads, give reputation to your fellow members, get your own private messenger, post status updates, manage your profile and so much more.

Create Account How it Works
Photo

Probablity Question


  • Please log in to reply

#1
sunny441

sunny441

    Member

  • Member
  • PipPipPip
  • 258 posts
Hi there folks,

am pretty weak at the whole concept of probability. I was trying to do some programming and i came across this question in the book.

Approximately 30pc of the calls to an airline reservation phone line results in reservation being made Suppoe the tel operator handles 10 calls.What is the probabilty that none of the 10 calls will generate a reservation

:)

i came with the answer of 7/10. But most people i asked and my friends too thought this was the right. but it cannot be so straight forward... or can it? :)

hope that some here can help me out..

thanks

:tazz:
  • 0

Advertisements


#2
bdlt

bdlt

    Member

  • Member
  • PipPipPip
  • 876 posts
the probability of one call resulting in no reservation is 7/10(70%)

the probability of two calls resulting in no reservation is .7 * .7 = 0.49 or 49%

the probability of 3 calls resulting in no reservation is .7 * .7 * .7 = 0.343 or 34.3%

...

the probability of 10 calls resulting in no reservation is .7 * .7 * .7 * .7 * .7 * .7 * .7 * .7 * .7 * .7 = 0.028 or 2.8%
  • 0






Similar Topics

0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users

As Featured On:

Microsoft Yahoo BBC MSN PC Magazine Washington Post HP