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Question:

Please help me!!! Statistic problem!!!?

One environmental group did a study of recycling habits in a California communityIt found that 71% of the aluminum cans sold in the area were recycled(Round your answers to four decimal places.) (a) If 396 cans are sold today, what is the probability that 300 or more will be recycled?(b) Of the 396 cans sold, what is the probability that between 260 and 300 will be recycled?

Answer:

adding up the binomial distribution you get 0.0197957 using the normal approximation μ (n p) 281.16; σ? ( n p q ) 81.5364; σ √( n p q ) 9.029750827 P (x 300) P (z 2.08643631) 0.01846968
Foil could workMake sure it's sprayed because foods stick to foilIf you have them, a better choice might be paper muffin cups.

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