Answer: 2n^2. let me know if you need the explanation :).
Step-by-step explanation:
Answer: 5
Step-by-step explanation: -4×5=-20
It takes 4.5 hours for one inch of snow
Answer:
The sample size must be approximately 211.
Step-by-step explanation:
We are given the following in the question:
Sample mean, = 654.1
Alpha, α = 0.02
Population standard deviation, σ = 311.7
Margin of error = 50
Formula:
Putting all the values, we get,
Thus, the sample size must be approximately 211.