A study was conducted to determine the effectiveness of pheromones produced by two different strains of fall
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a. Consider the corn field results. Construct a 90% confidence interval for the difference between the proportions of corn-strain and rice-strain males trapped by the pheromone.
b. Consider the grass field results. Construct a 90% confidence interval for the difference between the proportions of corn-strain and rice-strain males trapped by the pheromone.
c. Based on the confidence intervals, parts a and b, what can you conclude about the effectiveness of a cornblend synthetic pheromone placed in a corn field? A grass field?
d. The researchers also want to compare the proportion of corn-strain males trapped in the corn field to the proportion of corn-strain males trapped in the grass field. Carry out this comparison using a hypothesis test (at a = .10). What inference can you draw from the data?
e. Repeat part d for the proportions of rice-strain males trapped by the pheromone.
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