Answer:i might be wrong but i believe its b
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
Answer:
I think the answer is D
Step-by-step explanation:
SOHCAHTOA
sin- Opposite and hypotenuses
Cos- Adjacent and Hypothesis
Tan- Opposite and adjacent
DE is opposite and DF is hypotenuses
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
=>
=>