Saturday
April 19, 2014

Homework Help: Statistics

Posted by Anonymous on Sunday, March 10, 2013 at 11:54pm.

We are given this table which is Benford law for these questions they are used for filling your taxes:

k= p(X=k)
1 0.301
2 0.176
3 0.125
4 0.097
5 0.079
6 0.067
7 0.058
8 0.051
9 0.046

1.) If you select two numbers randomly from any where on your taxes what is the probability of selecting a number that starts with 2 and a number that starts with 5 in any order

2.) If you randomly select a number on your taxed what is the probability that it will NOT begin with a number 4?

3.) If you select three numbers randomly from anywhere on your taxes what is the probability that all three numbers starts with the number 1 OR that none of the numbers start with the number 1?

Please show work I want to understand how to do these..

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