To take a few wrong decisions are far better than not to take any decision, in fact indecisiveness is the biggest crime in management and in business it is widely seen that business decision maker are mainly focused on competitors and resources. Only a smart businessman is always conscious about time factor.
Time is also an important resource but since it is intangible, we have the habit of conveniently forgetting the time factor. It must be kept in the mind that most of the factors of business and business environment are dynamic they keep on the changing with time. The information we might have collected for decision making might be irrelevant with the change of time. The decision which could have been effective for one time point of time may not be correct for another point of time.
Secondly it has been observed in the cases of many successful entrepreneurs, that their life turning decisions are taken very quickly and implemented very quickly.
In brief if you are an entrepreneur this is a very invaluable tip do not afraid of taking decisions, develop the habit of taking quick decisions. If you will be afraid of taking decisions due to the fear that your decision might be wrong, you do not have very essential quality of a successful businessman.