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"About one-third of the students entering a certain university drop out during or at the end of their first year." Does this statement illustrate percentage, proportion or probability? Explain. Discussion Forum: needs to be about 150 words and cite any sources used in MLA format.
X is a normally distributed random variable with mean 10 and variance 24. a. Find P(X bigger 14) b. find P(8 smaller X smaller 20)
Suppose you, as manager of Tennessee Grilled Pork, will submit proposals for a small business loan and a city business grant to help fund the building of the new location you submitted to the management teams.
Assume that the population of heights of treated plants is normally distributed with mean. Based on the sample, can it be concluded that is different from centimeters? Use the level of significance. Perform a two-tailed test. Then fill in the table..
Find the sample proportion and the large-sample margin of error for 95% confidence. Explain in simple terms the meaning of the 95%.
Summarize the NSC concentrations graphically and numerically for each type of forest. How do dry forests compare to moist forests in terms of NSC concentrations?
Why do you use the chi-square statistic? What type of data is used with chi square analysis?
Tthen calculate the 95% and 99% CIs for the proportion of all female Hispanic drivers in Boston who wear seatbelts. Why is the 99% CI wider than the 95% CI?
If new inspector measures 101 stampings with variance of 0.13 square inch, test at 0.05 level of significance whether inspector is making satisfactory measurements. Suppose normality.
What is the probability that a student who has failed the test came from the South District?
Find the P value for the indicated hypothesis test with the given standardized test statistic, z. Decide whether to reject H0 for the given level of significance deviation. Two-tailed test with test statistic z= -2.43 and standard deviation = 0.04..
Calculate a 95% confidence interval for the average lifetime of the washing machines that the company uses. Calculate the sample size required to reduce the margin of error for a 95% confidence interval down to 7 (i.e. E = 7).
Comparison of paired and unpaired samples test - Identify which of the two tests (Independent samples and Paired samples) test is the preferred test and justify your choice.
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