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A nonprofit company concerned with the school dropout rate in a nearby state has designed a tutoring program aimed at students between 16 to 18 years old. The high school dropout rate in the state for the year 2000 was 10.5%. One school district, who adopted the use of the nonprofit's tutoring program and whose dropout rate has always been very close to the state average, reported in 2004 that 145 of their 1766 students dropped out. Is their experience evidence that the tutoring program has been effective? Explain.
What are the null and alternative hypotheses?
What is the value of the test statistic?
What is the P-Value of the test Statistic?
Is their experience evidence that the tutoring program has been effective? Explain.
1. distinguish between classification and tabulation of data. what are the types of classification of data?2. calculate
a childs set of blocks consists of 2 red 4 blue and 5 yellow cubes. the blocks can be distinguished only by color. if
At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
use the gauss-seidel method without relaxation to solve the following system to a tolerance of error 5. if necessary
The table shows the results of a survey im which 180 family were asked if they own a home and if they will be purchasing a new vehicle this year.
If the true mean for Saturday sales is now $4500, what is the probability of accepting the (false) null hypothesis in (a) above (the probability of not sharing the manager's concern because of lack of evidence)?
the current price of a non-dividend paying stock is 40 and the continuously compounded risk-free rate of return is 8.
Suppose that 20 students have registered for course this semester. Determine the probability that two or fewer will withdraw? Determine the probability that exactly four will withdraw?
The mean to be $19 and the standard deviation to be 6.8. Find the best point estimate of the population mean and the 95% confidence interval of the population mean.
Should the engineering firm be concerned? Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
Calculate the Range Chart Limits and the X-Bar Chart Limits and draw your X-Bar and R Charts and describe what the data is telling you?
In a random sample of 35 trading days, the volume of a particular stock is recorded to determine whether the mean volume of the stock changed from its 2007 value of 35.14 million shares.
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