Question 974008: An experiment consists of randomly selecting a card from seven cards numbered from 1 to 7. One card is selected at random and replaced.
What is the probability of selecting two odd numbers? Express your answer as a fraction in simplest form.
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! An experiment consists of randomly selecting a card from seven cards numbered from 1 to 7. One card is selected at random and replaced.
What is the probability of selecting two odd numbers? Express your answer as a fraction in simplest form.
-------
Number set:: 1,2,3,4,5,6,7
----
number of odd digits:: 4
-----
P(select an odd number) = 4/7
----
P(select odd number twice) = (4/7)^2 = 16/49
===============
Cheers,
Stan H.
----------
|
|
|