Aresearcher tested the effects of two treatments for anxiety computed a 95% confidence interval for the difference between the mean of treatment 1 and the mean of treatment 2. if this confidence interval includes the value of zero, then she should reject the null hypothesis that the two population means are equal. true or false?

True or false? a triangle can be circumscribed about a given circle

Equation for the calculation double 2 and then add 5

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?