What is the d value of the following arithmetic sequence? 27, 41, 55, 69, 83, 97

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Ineed with number 6 , explain how to get 1978

98 point question what is the record for most points in one