Mathematics, 10.12.2019 01:31 sujeyribetanco2216
It is hypothesized that the total sales of a corporation should vary more in an industry with active price competition than in one with duopoly and tacit collusion. in a study of the merchant ship production industry it was found that in 4 years of active price competition, the variance of company a’s total sales was 114.09. in the following 7 years, during which there was duopoly and tacit collusion, this variance was 16.08. assume that the data can be regarded as independent random sample from two normal distributions. test at the 5% level the null hypothesis that the two population variances are equal against the alternative that the variance of total sales is higher in years of active price competition.
Answers: 3
Mathematics, 21.06.2019 21:30
Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?
Answers: 1
Mathematics, 21.06.2019 21:30
One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?
Answers: 1
Mathematics, 21.06.2019 22:30
For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?
Answers: 1
It is hypothesized that the total sales of a corporation should vary more in an industry with active...
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