At 3pm, the temperature outside was 5 1/5 degrees fahrenheit. the temperature then fell steadily by 2 1/2 degrees per hour for the next four hours. what was the temperature at 7pm? plz answer this i will give you 100 points

Abc manufacturing has a policy that it will reject a shipment of parts from its supplier if inspectors find any defective parts in a random sample of 6 parts from the shipment. the supplier has been in business many years and has a long-term defective rate for parts of 6.2% what is the probability that a shipment will be rejected after a given sample of parts is checked?