business
on an organizational chat , span of control refers to the
math
in 2010 i had 36 plums and in 2013 i now have 25 plums, what is the percentage of plums i have cut back on
Math
Three of every seven sales transactions at Dollar Discount are on credit cards. What percent of the transactions are NOT credit card sales? (Round percentages to the nearest tenth.) Answer: 57.1% Is this answer correct?
Math
The Book Nook makes four times as much revenue on paperback books as on hardcover books. If last month’s sales totaled $124,300, how much of that money was made on paperbacks?
math
solve the following inequality. 24x-55<24/x I dont understand this at all!!! please help
math
solve the following inequality. Write your solutions in interval notation. x-5/x+2>=1 I do not know what i am doing at all, please help!
Statistics
The national centre of health statistics reports that the mean systolic blood pressure for males 35-44 years of age is 128 and a standard deviation of 15. A group of 50 executives selected at random are tested and found to have an avarage of 132.3. Is there statistical evidenc...
Stastistics
A quality control audit has been devised to check on the sampling procedure when a truckload of potatoes arrive at a packing plant. A random sample of 250 is selected and examined for bruises and other defects. The whole truckload will be rejected if 5% of the sample is unsati...
Help with statistics
How did you come up with 2.61 and 1.54 when SD is 2.3?
Statistics
A large electronics company wants to estimate the proportion of all households that own GPS machines. What sample size is required that would give the maximum error of 2.0% for a 95% confidence interval? An unscentific survey had an inital result of 30% .
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