jeff's school is selling raffle tickets for $1 each. of all the money collected from the sale of raffle tickets,80% will go to a scholarship funds, and 20% will go to the winner of the raffle. Jeff bought 5 of the 750 raffle tickets sold. what is the expected payoff for Jeff when playing the raffle, and what does it mean​

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear

Select the correct answer from each drop down menu a marketing company conducted a survey to assess the audience response to different aspects of a new advertisement. the company randomly chose 100 people to watch several advertisements of different lengths. the respondents were asked to note which ads they disliked. the table shows the survey results duration of ad number of viewers (seconds) who disliked ad 60 relationship between the duration of advertisements and the correlation coeficient for this data set is close to based on this information, we can conclude that there is a the audience dislong them reset next