document.write( "Question 878942: An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $465,000. If only natural gas is hit, the income will be $150,000. If nothing is hit, there will be no income. If the probability of hitting oil is 1/40 and if the probability of hitting gas is 1/20, what is the expectation for the drilling company? \n" ); document.write( "
Algebra.Com's Answer #530388 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Has been answered several times: \n" ); document.write( "E = (1/40)$440,000 + (2/40)$125,000 - (37/40)$25,000 \n" ); document.write( " |