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The incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation $150. What percentage of trainees earn less than $900 a month?
asked by J.T. on July 20, 2010 
find the probability
the incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation of 150. what percentage of trainees earn less than $900 a month?
asked by shasha on May 27, 2010 
STATISTICS
he monthly incomes of a trainee at a local mill are normally distributed, with a mean of1,100 and a standard deviation of $150. WHAT PERCENTAGE OF THE TRAINEES EARN LESS THAN $800 A MONTH?
asked by polly on January 31, 2019 
Math
3. The reported wages are realized income or gross income? Neither Realized Income Gross Income 4. You are looking at your W2 and see that your local wages were $40,000 and the amount of local tax withheld was $600. What
asked by Anonymous on May 30, 2018 
Algebra Maths
A local company is hiring trainees with less than 1 year of experience and managers with 5 or more years of experience. Solve the inequality and graph the solutions?
asked by Raman on October 1, 2013 
Math
SAT dread. 1. If n and p are integers greater than 1 and if p is a factor of both n+3 and n+10, what is the value of p? a. 3 b.7. c.10 d. 13. e 30 2. The company sends a team of 3 plumbers to work on a certain job. The company has
asked by Lily on January 16, 2016 
The defects of ball mill
The Ball Mill faults: (1) work efficiency is low, the power consumption unit. (2) the ball mill barrel rotational speed is low (about 15 ~ 27 r/min), if you use ordinary motor that. The average all need equipped with expensive
asked by jiandan on August 30, 2012 
The defects of ball mill
The Ball Mill faults: (1) work efficiency is low, the power consumption unit. (2) the ball mill barrel rotational speed is low (about 15 ~ 27 r/min), if you use ordinary motor that. The average all need equipped with expensive
asked by selina on June 13, 2013 
statistics for health research
the income of a group of 10,000 health system employees was found to be normally distributed with a mean=750 pm and standard deviation=50. show that of this group about 95% had income exceeding 668 and only 5% had income exceeding
asked by maureen on June 16, 2014 
statistics
4. The average family income in the town of Seneville is $45 000, with a standard deviation of $9000. Assuming that family income is normally distributed, determine the income level below which 80% of the families in this town
asked by Faz on August 13, 2014