A supplier regularly ships spare bulbs in bulk to the theater and promises a 95% reliability (lasting at least 100 hours). The theater inspects each incoming shipment of bulbs by lighting 20 bulbs for 100 hours. If two or more bulbs go out during the test, the batch shipment is returned to the supplier. If the bulbs indeed have a 95% reliability, what is the likelihood that a shipment passes the test? Please includes EXCEL function formulas