If the exper. prob. of rain is 50%, then the expected # of days on which rain will fall in Houston is 0.50(365), or 182 days. Lot of rain!
The amplitude of the graphs of the sine and cosine functions is the vertical distance between the sinusoidal axis and the maximum or minimum value of the function.
And the period of each is the distance between two peaks of the graph, or the distance it takes for the entire graph to repeat.
45. Explanation: I honestly don’t know