A large farm wants to try out a new type of fertilizer to evaluate whether it will improve the farm's corn production. the land is broken into plots that produce an average of 1,215 pounds of corn with a standard deviation of 94 pounds per plot. the owner is interested in detecting any average difference of at least 40 pounds per plot. how many plots of land would be needed for the experiment if the desired power level is 90%

Wilson company paid $5,000 for a 4-month insurance premium in advance on november 1, with coverage beginning on that date. the balance in the prepaid insurance account before adjustment at the end of the year is $5,000, and no adjustments had been made previously. the adjusting entry required on december 31 is: (a) debit cash. $5,000: credit prepaid insurance. $5,000. (b) debit prepaid insurance. $2,500: credit insurance expense. $2500. (c) debit prepaid insurance. $1250: credit insurance expense. $1250. (d) debit insurance expense. $1250: credit prepaid insurance. $1250. (e) debit insurance expense. $2500: credit prepaid insurance. $2500.