Suppose each box of a popular brand of cereal contains a pen as a prize. The pens come in four colors: blue, red, green, and yellow. Each color of pen is equally likely to
appear in any box of cereal.
What is the probability of having to buy at least five boxes of cereal to get a blue pen?
Show all of the work that leads to your solution.

250

step-by-step explanation:

is there supposed to be a diagram or a graph for this one? ?

step-by-step explanation:

is this a dating site too?

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun