suppose that the probabilities of a customer purchasing 0, 1, or 2 books at a book store are , , and , respectively. what is the standard deviation of this customer's book purchases?

answer

the most effective ways of dealing with and reducing stress could be; listening to relaxing music, yoga, aromatherapy and meditation

explanation

when stress is effectively managed, it the effect stress has on a person’s life so they can be productive, happy and healthier. it is vital to identify the source of stress to be able to manage it. some stress management tips are keeping a positive attitude, practicing relaxation techniques, exercising regularly and eating healthier.

answer: the mildest forms of push polling are designed merely to remind voters of a particular issue. for instance, a push poll might ask respondents to rank candidates based on their support of an issue in order to get voters thinking about that issue. many push polls are negative attacks on other candidates.

answer:

everyone's life is freaking hard, but there will be a time when we get whatever we wish for. just believe it.

hope it helps cc