Question

Select the correct option that shows a function in F# that receives a list of integers and returns the average value all its elements as a float.
a. let averageList list = List.fold (fun acc elem -> acc + elem) 0 list / float list.Length
b. let averageList list = List.map (fun (acc,elem) -> acc + float elem) 0 list / list.Length
c. let averageList list = List.map (fun acc elem -> acc + elem) 0 list / list.Length
d. let averageList list = List.filter (fun (acc,elem) -> acc + elem) 0.0 list / float list.Length
e. let averageList list = List.fold (fun acc elem -> acc + float elem) 0.0 list / float list.Length

Answer 1

Answer: acc

Explanation: