A telephone soliciting company obtains an average of 5 orders per 1000 solicitations . If the company reaches 250 potential customers, find the probability of obtaining at least 2 orders

Add them all together then u will get your answer

$250 deductible means jane must pay the first $250 of her bill. so the insurance company paid = (80% of bill) - deductible = (0.8 x $2550) - $250 = $2040 - $250 = $1790 and jane's cost is = (bill) - (insurance payment) = $2550 - $1790 = $760