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Describe the general service characteristics of motor carriers and explain how these service characteristics have contributed to the growth of the motor carrier industry.
Data were collected for a sample of 64 customers. Assume a population standard deviation of $6. At 95% confidence, what is the margin of error?
Out to right, create a 90% confidence interval estimate of sigma (σ), population standard deviation.
business statistics questionin one season of 30 basketball games what would you expect is the longest streak of
What total size sample would be necessary if we wanted to estimate the true proportion to within ±0.08 using 90% confidence?
Last week Sarah had exams in Math and in Spanish. On the math exam, the mean was m = 40 with s = 5, and Sarah had a score of X = 45. On the Spanish exam, the mean was m = 60 with s = 8 and Sarah had a score of X = 68. For which class should Sara e..
1. If we assume that the conditions for correlation are met, which of the following are true? If false, explain briefly. a) A correlation of -0.98 indicates a strong, negative association.
Assume that the president is correct and p = 0.26. What is the sampling distribution of for this study? What is the probability that the sample proportion will be between .20 and .40 (to 4 decimals)?
we randomly choose letters one at a time without replacement from the word choose until both os have been obtained.
How would you communicate this information to the Vice-President of Human Resources in non-statistical language.
1. graph the null hypothesis on a number line.2. determine whether the hypothesis test with the given null and
How does bell-shaped curve for sampling distribution of sample means for samples of size n =120 compare tobell-shaped curve for sampling distribution of sample means for samples of size n =95?
Select the variable team salary and find the mean, median, and the standard deviation
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