Answer:

And replacing we got:

And the best option would be:
d) -2.5
Step-by-step explanation:
For this problem we know that the true mean of trash every day is:

And from the info given we also know that:
represent the sample mean
sample size selected
the population standard deviation assumed
If we want to find the z score for the person we can use the following formula:

And replacing we got:

And the best option would be:
d) -2.5
Answer:
3.2 plz help me to
Step-by-step explanation:
Answer: 6.571
Step-by-step explanation: If you want the exact answer, it’s 6.57142857
Yes it can, be cause 13 is greater than 12
subtract
13-12=1 so
7 and 13/12=7+1 and 1/12=8 and 1/12
Answer:
-6/7
Step-by-step explanation:
x2+5x+6=0
7x+6= 0
-6 -6
7x= -6
/7 /7
x= -6/7 or -0.85714285714