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A manufactured battery is defective with the probability of 5%.In a lot of n=200 batteries, approximate the probability that at most 12 car batteries are defective.
(a) State the hypothesis for a right-tailed test. (b) Obtain a test statistic and p-value assuming equal variances. Interpret these results. (c) Is the difference in mean scores large enough to be important?
a standardized third grade reading test called the we can read test has a mean of 50 with a standard deviation of 10. a
Determine what analysis would you do on each problem (ie, one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
Formulate the hypotheses that can be used to determine whether the sample data support the hypothesis that the mean fuel efficiency rating for midsize cars is greater than the mean fuel efficiency rating for large cars.
given that a population has a mean of 50 and a standard deviation of 15 what is thea. mean of the sampling
a student wants to assess whether her dog muffin tends to chase her blue ball more often than she chases her red
A Company produces candy on a production line. When operating properly, the production process will produce an average of u=140 pounds of candy per hour with a standard deviation of o=20 pounds of candy per hour.
with what instrument could the predictive validity of a metric scale a set of questions best be determined?a. cronbachs
Determine the coefficient of correlation and the coefficient of determination. please show your calculations. Interpret the results.
a study was conducted by enron research to test for a difference inthe mean number of critical care patients in rooms
is it appropriate to compute a CI estimate of proportion when the condition to use the normal approximation is 6.8345? What is the 92% CI estimate of proportion?
a hot dog vendor provides onions relish mustard ketchup dijon ketchup and hot peppers for your hot dog. how many
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