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To find the alternate hypotheses and critical value?
A truck dealer claims that a new model will give trouble free service for at least 15,000 miles - Data below shows a sample of the # of miles of trouble free service for the dealer\'s pickups that were sold a couple of years ago. Test the dealer\'s claim at a 2.5% level of significance.
16,000 15,000 14,350 14,500 13,750 13,000 14,250 13,900
a. What is the alternative hypothesis b. What is the test statistic c. What is the critical value? d. Does the evidence support the claim?
A business owner decides to use a binomial distribution to solve one of his problems.
What is the probability that a visually impaired student gets less than 6.9 hours of sleep?
Create the table for frequency distribution that has 16 class intervals of width 1 inch. Utilize 61.5 inches as lower limit of first interval and 62.5 as upper limit.
The probability that a bomber hits a target on a bombing mission is 0.700. Three bombers are sent to bomb a particular target.
A company wants to know if minorities are more likely to be in certain job categories than others. Their data base codes employees 1 for clerical, 2 for custodial, and 3 for manager. A logistic equation was fit to the data with SPSS.
In this paragraph, be sure to make it clear how you handled the issue of conducting three planned comparisons. Also provide the ANOVA summary table for these results.
How large a sample should be taken if the desired margin of error E is:
For a sample with standard deviation of 10, a score of X = 44 corresponds to z-score of 0.50. Based on this info, determine the sample mean?
The following table shows the hardness (in Brinell hardness numbers) and the tensile strength (in thousands of pounds per square inch) of ten specimens of a certain alloy.
Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.
If person is selected at random and tested, determine the probability of that person having an IQ score between 85 and 115. Make use of EXCEL to help determine the probability.
If a card is drawn at random from a standard 52-card deck, what is the probability that the card drawn is one of the following?
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