Answer:
-1.75.
Step-by-step explanation:
The z-score = (n - m) / d where n is the value (13) m = mean and d = standard deviation.
= (13 - 20) / 4
= -1.75 (answer)
Train A weighs 181 tons and train B weighs 70 tons.
3 because 3•3 is 9 and 9•3 is 27
Answer:
11.1
Step-by-step explanation:
G o o g l e
4 tables = 1 group. So in 10 groups of tables, there are 40 tables. Each table seats 8 students, so you multiply 8 by 40, and that leaves your answer as 320 students. :)
