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The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.35, and the sample statistics includen =1276 subjects with 434 saying that they smoked a cigarette in the past week. Find the value of the test statistic.
a spice rack contains three jars of herbs and four jars of spices. if the jars are placed randomly on the rack what is
Unacceptable bacterial contamination on 20 flights. (a) At α = .05, does this sample show that more than 10 percent of all flights have contaminated water? (b) Find the p-value.
the average number of mosquitos in a stagnant pond is 70 per square meter with a standard deviation of 8. if a sample
a technician monitors a group of five computers that run an automated manufacturing facility. it takes an average of 15
The standard deviaiton is 2 pounds. If 15% of the suitcases are overweight, find the maximum weight allowed by the airline. Assume the variable is normally distributed.
What methods can be adopted to test for reliability in both qualitative and quantitative research
The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error for the two sampl..
What is the net income of SouthCo if unit sales are twice the break-even point for a given month?
Find the cumulative distribution function and the probability that any given defects occur between 1.5 miles and 2.5 miles along the stretch of road?
When would you use ANOVA at your place of employment, in your education, or in politics? Please share the WORDS that would lead you to the null hypothesis for a specific and simple example
If the true mean for Saturday sales is now $4500, what is the probability of accepting the (false) null hypothesis.
a local lawn service has determined the average time it takes to mow an average residential yard is thirty-five
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