Answer:
(X+3)(X+8)
Step-by-step explanation:
In the attached file
Answer:
Option B) 9.1
Step-by-step explanation:
We are given the following in the question:
Average score = 490.4
Standard deviation = 63.7
Sample size, n = 49
Formula:

Putting values, we get,
Standard error =

Thus, the correct answer is
Option B) 9.1
Answer:
Step-by-step explanation:
one row has 22 seats
2 rows have 44 seats
44x56.89=2,503.16