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Property crime rates (per 100,000 residents) for the 50 states and the District of Columbia have a mean of 3377.2 and a standard deviation of 847.4. Assuming the distribution of property crime rates is normal, approximately all of the property crime rates are between what two values?
Find the point estimate for the population proportion, the margin of error for a 95% confidence and then construct to the 95% confidence interval for the population proportion
a mineral economist estimated that a particular mining venture had probability 0.4 of a 30 million loss probability 0.5
in a metal fabrication process metal rods are produced to a specified target length of 15 feet. suppose that the
a survey of 25 randomly selected customers found the ages shown in years. the mean is 32.08 years and the standard
the filling variance for boxes of cereal is designed to be .02 or less. a sample of 41 boxes of cereal shows a sample
suppose that two electronic components in the guidance system for a missile operate independently and that each has a
suppose strep resistance rates in all cities across the country are actually 0.05.a if samples are taken in a
The test question is: Should a merit raise be given? What is your conclusion? State the null and alternative hypotheses in symbolic form. State the null and alternative hypotheses in word form.
1 the number of traffic accidents that occur on a particular stretch of road during a month follows a poisson
Develop a contingency table that shows whether a home has a pool and the township in which the house is located. Is there an association between the variables "pool" and the "township"? Use .05 level of significance.
each year ratings are compiled concerning the performance of new cars during the first 90 days of use.suppose that the
at ajax spring water a half-liter bottle of soft drink is supposed to contain a mean of 520 ml. the filling process
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