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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.
Among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. assume the number of coffee drinks per day follows a normal distribution.
At the .05 significance level, is there a difference in gas mileage for the different types of gas? Write out your null and alternative hypotheses for the problem and state what the finding means practically.
In what sense is this business problem? A societal problem? An individual problem?
A spinner is used for which it is equally probable that the pointer will land on any one of six regions. Three regions are colored red, two are colored green and one is colored yellow. If the pointer is spun twice, find probability it will land on..
You play a game with two possible outcomes. Outcome A has probability 0.4 and outcome B has probability 0.6. When B occurs you win $2.00; otherwise, you lose $1.00. What is your expected value for this game?
30% of the college of business students major in finance. A random sample of 20 students is selected. What is the probability that no more than 3 students of the selected students are majoring in finance?
Determine how large a sample would be necessary to estimate the population proportion with a margin of error of .05 at 95% confidence.
Calculate a 95% Confidence Interval for the following samples
The sample mean is 4.1 and the sample standard deviation is 1.4. It can be assumed that the population is normally distributed. The degrees of freedom associated with this are?
researchers conducted a survey of parents of 66 kindergarten children. the parents were asked whether they played games
suppose the time it takes for a purchasing agent to complete an online ordering process is normally distributed with a
a research team conducted a study showing that approximately 25 of all businessmen who wear ties wear them so tightly
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