Answer:
5 is the answer
Step-by-step explanation:
The graph of the journey is shown in the speed-time graph below
At the time = 3 minutes, Peter would have achieved the speed V.
The distance he travelled is the area under the line as shown in the graph
We first need to find the V by using the area of a rectangle formula
so V=220
the gradient the f slope then given as
Answer:
zero point zero zero one two five
Step-by-step explanation:
Answer:
The z-score is
The length of days is not unusual
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is
The value considered is
The z-score is mathematically represented as
Now given that the z-score is not greater than 3 then we can say that the length of days is not unusual
(reference khan academy)