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Topic: Help with Probability Problems
Replies: 2   Last Post: Mar 31, 2013 4:27 PM

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Peter Scales

Posts: 136
From: Australia
Registered: 4/3/05
Re: Help with Probability Problems
Posted: Mar 24, 2013 11:39 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

> 1. Being dealt four red cards off the top of a
> regular deck of well-shuffled cards
>
> 2. General Aviation Safety. In 2008 there were 495
> deaths and 1559 accidents in general aviation
> (personal, corporate, instrumental) over 21.9 million
> flight hours. Compute the accident and fatality rates
> in units of accidents or deaths per 100,000 flight
> hours.
>
> 3. 9!/ 4! 2! Factorials


ireckless,

1.What are the chances of the 1st card being red? The 2nd? The 3rd? The 4th? For all four, multiply these.
Or, write out all the possibilities, as:
RRRR, RRRB, RRBR, RRBB, etc
What fraction are RRRR ?

2. Try simple proportion.

3. What is the question?

Regards, Peter Scales.



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