Answer:
Multi facets
Step-by-step explanation:
First company surveys best customers so they are highest spending
First company standard deviation is high @ $62 so their spends are $606 a year plus or minus $180 (rounded up)
Second company has a Random sample so includes all customers
Second company has larger number of responses
Second company has a range of plus or minus $40
Answer:
1. 24.36
2. Do the same thing (follow the steps in the picture)
Step-by-step explanation:
28min/2lawns = 14min per lawn. Then 14min * 5 lawns = 70min
Answer:
3 roots
Step-by-step explanation:
(9x+7)(4x+1)(3x+4)=0
x=-7/9 or - 1/4 or - 4/3
Answer: 512 times
Step-by-step explanation:

