Every second in a hockey game, we recorded the possession status of a hockey puck where the possibilitiesare that team A possesses the puck, team B possesses the puck, or nobody possesses the puck (this iscalled a loose puck). Then a Markov chain model of the possession status of the puck is

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

State one method by which you can recognize a perfect square trinomial.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?