Answer:
The sample size is 
Step-by-step explanation:
The population proportion is 
The margin of error is 
From the question we are told the confidence level is 90% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of
is
Generally the sample size is mathematically represented as
=>
=> 
Answer:
13 1/2
Step-by-step explanation:
5/2 x 27/5 = 13 1/2
Answer:
surface area is 216 and the volume is 216
2/45 or 0.0444....
Hope this helped