A technique called 3-D seismic attribute analysis has been used over the past de

Question

A technique called 3-D seismic attribute analysis has been used over the past decade to improve the exploration and development of new oil wells in the US. A three-year study done in Kansas reported that the commercial success rate for wells drilled with 3-D seismic data was 65%, compared to a success rate of 30%–35% for “wildcat” well. You randomly select 25 drilling sites that are using this kind of data. Compute the

expected number of wells in this group that will be commercially successful. (Round answer to 0 decimal places, e.g. 15.)

Explanation / Answer

here above is a binomial distribution with probbaility of success p=0.65 and number of trails n=25

therefore expected number of wells in this group that will be commercially successful =np =25*0.65=~ 16

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