Answer:
The correct answer is "664".
Step-by-step explanation:
The given values are:
Margin of error,
E = 5%
i.e.,
= 0.05
Level of confidence,
C = 99%
i.e.,
= 0.99
Level of significance,
α = 0.01
From the z value table,
Critical z = 2.576
As we know,
The required sample size n will be:
= 
On substituting the values, we get
= 
= 
= 
= 
i.e.,
= 
Answer:
the length would be the same as the other side so the length would be 19.5 and the width 15
The mean of the combined group is 71.3 --- hope this helps
Answer:
m= -4
Step-by-step explanation:
Answer:
It rose 17 meters
Step-by-step explanation:
163m is the depth of when it dove so if you take 163-68 then you get the original depth of 95 then take 95 - 78 to get 17 meters and thats your answer hoped i helped! :D good luck and i hope you do better