Exam P Practice Question 920
Study guide: Exam P-1
An insurance company covers 100 independent drivers, each of whom independently files 0, 1, or 2 claims with probabilities 0.65, 0.25, and 0.10 respectively. Let T denote the total number of claims.
Calculate the standard deviation of T.
- A) 5.40
- B) 6.25
- C) 6.69
- D) 7.12
- E) 7.81
Answer this question and see the worked solution