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Conduct a two tailed hypothesis test given the information below.Assuming that the population standard deviations are unknown but equal for male and female GPA, use the following sample data to test whether the GPA are different at the 0.05 level of significance.
Male GPA Sample size 13 Sample mean 3.6 Sample standard dev 0.4 Female GPA Sample size 16 Sample Mean 3.8 Sample standard dev 0.7
At α = 0.01 level of significance, test the hypothesis that these data can be described by a Poisson pdf.
If the standard deviation of the amount of coffee dispensed is 0.4oz and the amount of coffee dispensed is normally distributed.
Using a critical value, test hypothesis at the 1% level of significance.
It could not do anything with the airport and suffer a loss of revenue. The current value of raised revenue from a new airport is in question.
The firm has already decided that any sample mean below 78 or above 82 will signal the workers that the process is not working properly.
At a large commercial bakery, one of the measures familiar with evaluate employees is the number of broken cookies per 1000 produced. The quality control department wants to determine if there is a relationship between years of experience and bro..
At 0.05 level of significance, is there evidence of significant relationship between age group and where people mainly get their news? If so, describe the relationship.
A game involving a pair of dice pays out $4 with probability 16/36, costs you $2 with probability 14/36, and costs you $6 with probability 6/36.
Compute the optimal production quantities for the company?
Assume that the process is in control and that the population of all jar fills is normally distributed.
Data on distribution of cost for building effort, design work and testing effort.
Formulate a suitable null and alternative hypothesis to test the students' claim that they followed their instructor's recommendation at a 5% level of significance and interpret your findings.
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