Tony B. is attempting to start a landscaping business. He estimates that to break even, he will need about 150 customers. He believes that he will lose approximately $500 per customer for each customer fewer than the 150. At the moment, he believes there is an 80% probability that he will be able to secure between 130 and 170 customers, and that there is a 50/50 chance that demand will be greater than 160 customers. What is the mean or expected number of sales?

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