Math Answers

How many ways are there to permute the 8 letters A, B, C, D, E, F, G, and H so that A is not at the beginning and H is not at the end?

A random sample of 23 components is drawn from a population size of 100. The mean

measurement of the random sample is 67.45mm and has a standard deviation of 2.93 mm.

Determine a 90% confidence interval for an estimate of the mean of the population.

Compute the Net Income, Given; 

Cost of Goods Sold = $37,000, SGA Costs = $25,000, Sales Revenues=$99,000, 

End WIP=$10,000, End Raw Materials = $11,000.

What is a function that has a domain of (-infinity,9)U(9,infinity)

Some year, Ben's net salary was 1939 €, while the consumer price index (CPI) was 106.5. One year later, his net salary was 2210 €, while the consumer price index (CPI) was 115.2. Calculate the relative real change in Ben's net salary as percentage.

The net revenue of a company rose 3.6 %, while inflation rate was 3.0 %. Calculate the relative real change in revenue as percentage.

The consumer price index (CPI) rose from 104.5 to 117.0, while Mary's net salary rose 13.5 %. Calculate the relative real change in her salary (purchasing power) as percentage.

One year, the price of a flat was 127365 €, and the consumer price index (CPI) was 105.8. A couple of years later, the price has risen to 135149 €, and the consumer price index (CPI) was 112.2. Calculate the relative real change in the price as percentage.

From year 2001 till 2014, the increase in food prices followed the changes of CPI. The CPI of 2001 was 105.8 and of 2014 125.5. If certain food purchases cost 382 € in year 2014, what was the same food purchases' price in year 2001?

Compute a range of yearly clothing expenditures—

measured in dollars—that includes 80% of all students

on this campus? Explain why any number

of such ranges could be found, and find the

shortest one.