The answer is 41, because I just took the quiz and that was the correct answer :)
All possibilities = 9!
possibilities that harry sits at an end = 8! + 8!
possibilities that harry doesn't sit at an end = 9! - 8! -8!
He is scared and is running away from his past
Answer:
(a) 0.873 (b) 0.007 (c) 0.715 (d) 0.277 (e) 1.25 and 1.09
Step-by-step explanation:
The probability that the random variable X takes the value x is given by P(X=x) =
. Then,
(a) 
(b) 
(c) 
(d)
(e) E(X) = np = (25)(0.05) = 1.25 and 