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A new improved rocket launching system is being considered for short-range assault rockets. The requirement is that 80% of the rockets shall strike the target area at 800 meters. A sample of 36 experimental launches is made with 29 striking the target area.
1) Compute a 95% Confidence interval for the true population proportion of success.
2) Based on this analysis can you conclude that the new system meets the requirement? Explain the conclusion.
The probability that house sales will increase in the next 6 months is estimated to be 0.25. The probability that the interest rates on housing loans will go up in the same period is estimated to be 0.74. The probability that house sales or intere..
If you are using exponential smoothing for forecasting an annual time series of revenues, what is your forecast for the next year if the smoothed value for this year is $32.4 million?
Write introduction to SPC (STATISTICAL PROCESS CONTROL)? Describe the use of SPC tools used at D2D?
Mean threshold values and standard deviations for the three groups are given below. Normal probability plots showed the three populations were well approximated by the Normal distribution.
A population of 1000 students spends an average of $10.50 a day on dinner. The standard deviation of the expenditure is $3. A simple random sample of 64 students is taken.
Choose the correct answer using sum of squared error (SSE).
In the last quarter of 2007 a group of 64 mutual funds had a mean return of 0.9% with a standard deviation of 5.2%. Consider the normal model N(0.009.052) for the returns of these mutual funds.
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level. Give the formula for the test statistic.
At the .05 significance level, is the number of units produced on the afternoon shift larger?
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
prevent coronary artery vasoconstriction and the attendant reduction in blood flow to the heart and mechanical function.
The Appliance Center has six sales representatives at their North Jacksonville outlet. Listed below is the number of refrigerators sold by each last month.
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