Answer: 25 computers will be selected
Step-by-step explanation:
Where: Z -value at 95% confidence = 1.96; SD = Standard deviation = 10 minutes; N = Sample size; Margin error = 4 minutesSubstituting;4 = 1.96*10/Sqrt (N)Sqrt (N) = (1.96*10)/4 = 4.9N = 4.9^2 = 24.01 ≈ 25
Answer:
6, 13 and 14
Step-by-step explanation:
You do 0.621 times 10 which equals your answer 6.21 miles.
It is true because the volcano is expelling magma which is what you see in real life