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anonymous

  • one year ago

The weekly salary paid to employees of a small company that supplies​ part-time laborers averages ​$700 with a standard deviation of ​$400.​(a) If the weekly salaries are normally​ distributed, estimate the fraction of employees that make more than ​$300 per week.​(b) If every employee receives a​ year-end bonus that adds ​$200 to the paycheck in the final​ week, how does this change the normal model for that​ week?(c) If every employee receives a 5​% salary increase for the next​ year, how does the normal model​ change?​(d) If the lowest salary is ​$300 and the median salary is ​$500​, does a normal model appear​ appropriate? ​(a) If the weekly salaries are normally​ distributed, the fraction of employees that make more than ​$300 per week is approximately nothing. ​(Type an integer or a​ fraction.)

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  1. anonymous
    • one year ago
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    The weekly salary paid to employees of a small company that supplies​ part-time laborers averages ​$700 with a standard deviation of ​$400.​(a) If the weekly salaries are normally​ distributed, estimate the fraction of employees that make more than ​$300 per week.​(b) If every employee receives a​ year-end bonus that adds ​$200 to the paycheck in the final​ week, how does this change the normal model for that​ week?(c) If every employee receives a 5​% salary increase for the next​ year, how does the normal model​ change?​(d) If the lowest salary is ​$300 and the median salary is ​$500​, does a normal model appear​ appropriate? ​(a) If the weekly salaries are normally​ distributed, the fraction of employees that make more than ​$300 per week is approximately nothing. ​(Type an integer or a​ fraction.)

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