Se conoce el peso ideal de un niño de 5 años en Colombia es de 20Kg. Escriba una frase que indique a cuántos kilogramos está cada niño, por debajo, por encima del peso ideal. a. Juan pesa 22kg b. Mario pesa 18Kg c. Pedro pesa 26kg d. Alfredo pesa 20Kg​

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?