Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
Fifty areas are grouped into four safety levels- a, b, c and d- and the number of areas which fall into each level is shown in the table: safety level frequency a 11 b 14 c 20 d 5 what proportion of t
Fifty areas are grouped into four safety levels- a, b, c and d- and the number of areas which fall into each level is shown in the table: safety level frequency a 11 b 14 c 20 d 5 what proportion of the areas is in level c?
