Answer:
The sample size is
Step-by-step explanation:
From the question we are told that
The margin of error is E =4.266
The standard deviation is 
From the question we are told the confidence level is 99% , 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:
-918.55
Step-by-step explanation:
Answer: decreases; negative correlation; not
Step-by-step explanation:
Just got it right in the assignment
Let angle = x
sinx = 43.2/72.5
=> x = 36.57 degrees
Answer:
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