Your brother has a bag of marbles containing 1 red marble, 2 blue marbles, and 47 green marbles. He claims he'll give you $10 if you pull the red marble but just $5 if you pull a blue marble. However, if you pull a green marble, you will owe him $3. What is the expected value each time you pull a marble?

What is the area of the triangle on the flag of the philippines in inches

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

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?