Mathematics, 18.12.2019 00:31 oscardiazbet8803
Gardeners on the west coast of the united states are investigating the difference in survival rates of two flowering plants in drought climates. plant a has a survival rate of 0.74 and plant b has a survival rate of 0.48. the standard error of the difference in proportions is 0.083. what is the margin of error for a 99% confidence interval? use critical value z = 2.576.
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