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In establishing warranties on HDTV sets, the manufacturer wants to set the limits so that few will need repair at manufacturer expense. On the other hand, the warranty period must be long enough to make the purchase attractive to the buyer. For a new HDTV the mean number of months until repairs are needed is 36.84 with a standard deviation of 3.34 months. Where should the warranty limits be set so that only 10 percent of the HDTVs need repairs at the manufacturer's expense?
Assuming we can verify that the data set is approximately normally distributed, what percentage of times will the server be down less than 24 minutes?
Salary information for a random sample of male and female employees of a large company is shown below.
Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.
Compute and interpret each of the statistics in parts(a) through (f) Mean and Median.
Create the corresponding decision tree and make recommendations.
Conduct the hypothesis test and compute the p-value. At a 0.05 level of significance, what is your conclusion?
Compute the probability that randomly chosen student with a Master's degree majored in English or mathematics?
Based on the scatter diagram, does there appear to be any relationship between the number of assemblers and production? Explain.
Dividend is expected to grow 7% a year for next 3 years and then at 5% a year after that. Determine the expected dividend per share for each of the next five years?
A test of hypothesis is conducted at the .05 level of significance to test either or not the population correlation is zero.
Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance.
The random variable X has which of the following probability distributions and What is the probability that no student wins
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