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Category > Statistics Posted 23 May 2017 My Price 5.00

The weekly incomes of a large group of executives are normally distributed

The weekly incomes of a large group of executives are normally distributed with a mean of $2,000 and a standard deviation of $100. What is thez-score for an income of $2,100? What is the probability of an executive having a weekly income of MORE THAN $2,250.00? 

 

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Alpha Geek
(8)
Status NEW Posted 23 May 2017 11:05 AM My Price 5.00

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file 1495539480-Answer.docx preview (67 words )
T-----------he -----------wee-----------kly----------- in-----------com-----------es -----------of -----------a l-----------arg-----------e g-----------rou-----------p o-----------f e-----------xec-----------uti-----------ves----------- ar-----------e -----------nor-----------mal-----------ly -----------dis-----------tri-----------but-----------edÂ----------- wi-----------th -----------a m-----------ean----------- of----------- $2-----------,00-----------0 a-----------nd -----------a s-----------tan-----------dar-----------d d-----------evi-----------ati-----------on -----------of -----------$10-----------0. -----------Wha-----------t i-----------s t-----------hez------------sc-----------ore----------- f-----------or -----------an -----------inc-----------ome----------- of----------- $2-----------,10-----------0? -----------Wha-----------t i-----------s t-----------he -----------pro-----------bab-----------ili-----------ty -----------of -----------an -----------exe-----------cut-----------ive----------- ha-----------vin-----------g a----------- we-----------ekl-----------y i-----------nco-----------me -----------of -----------MOR-----------E T-----------HAN----------- $2-----------,25-----------0.0-----------0?Â-----------  -----------Ans-----------wer----------- z-----------=(x-----------i-x-----------)/s-----------igm-----------a z-----------=(2-----------100------------20-----------00)-----------/10-----------0 =----------- 1 -----------pro-----------bab-----------ili-----------ty -----------of -----------an -----------exe-----------cut-----------ive----------- ha-----------vin-----------g a----------- we-----------ekl-----------y i-----------nco-----------me -----------of -----------MOR-----------E T-----------HAN----------- $2-----------,25-----------0.0-----------0 z-----------=22-----------50------------200-----------0 /----------- 10-----------0 =----------- 2.-----------5 f-----------or -----------z =----------- 2 ----------- -----------
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