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Estimate the total charge stored in a 0.1-μm depletion layer on one side of a 10-μm×10-μm junction. The doping concentration on that side of the junction is 1018/cm3.
how large a sample should be taken if the population mean is to be estimated with 90 confidence to within 79? the
Moving average forecasting models are powerful tools that help managers in making educated forecasting decisions. A moving average is mainly used to forecast short historical range data. This tool along with other forecasting tools is now computer..
A researcher wishes to estimate the number of households with two cars. How large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4%? A previous study indicates that ..
Assume the chief does not want his officers to cite a car for speeding unless they are 99% sure that it is travelling at 58 miles per hour or faster. What is the minimum estimate of speed at which a car should be cited for speeding?
Using the .05 significance level, can we conclude that there is a positive association between the two variables?
Human populations can be modeled using an exponential growth function. Use the Library for research or other resources to find the following:
Calculate a 3-month moving average forecast for months 4 through 9 also Compare the two forecasts by utilizing MAD. Which forecast appears to be more accurate.
A statistics professor would like to determine whether students in the class showed improved performance on the final exam as compared to the midterm examination.
question the average 1-ounce chocolate chip cookie contains 110 calories. a random sample of 15 different brands of
You are dealt 2 cards from a shuffled deck of 52 cards, without replacement. There are four suits of 13 cards each in a deck of cards
A normal random variable with a mean of $65.16 and a standard deviation of $10.00. What proportion of the households spent between $40.00 and $50.00.
A sample of students were asked to rank their looks compared to the looks of others on a scale from 1 to 10. A 10 means they feel they are more attractive than everyone else while a 1 means they feel they are less attractive than everyone else. Th..
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