Part a is correct.
Part b can be done a couple ways.
1) Use binomial distribution. p = 0.2, n = 144
P(x>3) = 1 - P(x=0) -p(x=1) -p(x=2) -p(x=3)
where
2) Assume a normal distribution with mean = 28.2, stdev = 4.8
Look up z-value in normal table to find probability.
Hope that helps.
80% of 190 = 152
THE ANSWER IS 152
4000 is the answer to your question
Equation pi X r^2 first one = 158.37
second one 50.27
Answer:
Shifting/Translating the function
Step-by-step explanation: