223
-119
104
In stead of doing 3-9 and 2-1 do 23-19 then 2-1
Answer: The open interval would be (31.4,42.5).
Step-by-step explanation:
Since we have given that
mean = 36.9
Standard deviation = 16.5
n = 48
At 98% confidence interval, z = 2.33
So, Interval would be

Hence, the open interval would be (31.4,42.5).
Answer: how much does an exam cost XD?
Step-by-step explanation:
Answer:
has to be letter b because they connect and then separate opposite sides