Mathematics, 19.12.2019 20:31 yangyang7
If 75% of men spend more than $75 monthly on clothes, while 15% pay more than $150, what is the mean monthly expense on clothes and what is the standard deviation?
\mu=84.33, \sigma=13.44
\mu=104.39, \sigma=43.86
\mu=118.42, \sigma=56.16
\mu=139.43, \sigma=83.36
\mu=54.43, \sigma=13.22
Answers: 2
Mathematics, 21.06.2019 19:00
Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)
Answers: 2
Mathematics, 21.06.2019 19:30
The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons
Answers: 3
If 75% of men spend more than $75 monthly on clothes, while 15% pay more than $150, what is the mean...
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