Find the measure of angle x in the figure below: two triangles are shown such that one triangle is inverted and share a common vertex. the lower triangle has two angles at the base marked as 75 degrees each. the angle at the vertex of the inverted triangle at the top is marked as x degrees. 15° 25° 30° 60°

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Find percent notation for 0.008 0.008=

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?