Answer:
Therefore, the number of female statistics student ages that must be obtained in order to estimate the mean age of all female statistics student is 3625 female statistics student
Step-by-step explanation:
Here, we have

Where:
n = Required sample size
σ = Standard deviation = 18.3
E = Margin of error = 1/2 year
= Critical score from the confidence level = 1.645
Therefore,

Therefore, the number of female statistics student ages that must be obtained in order to estimate the mean age of all female statistics student = 3625 female statistics student.
Use this formula: A= 550(1.048)^9*4 adn then add 9*4*50=1800 which will equal:
4774.191066
Answer:
308.2
Step-by-step explanation:
≈
≈ is approximately
<ABC = 1/2(130+40)
<ABC = 170/2
<ABC = 85
answer
C. 85
Use the pythagoras theorem
And the answer will be 36.