You want to take a picture of a statue on easter island, called the moai. the moai is about 13 feet tall. your camera is on a tripod that is 5 feet tall. the vertical viewing angle of your camera is set to 90 (degrees). how far from the moai should you stand so that the entire height of the moai is perfectly framed in the photo?

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?