There were 230 shoppers at an electronics store on opening day. The specials that day allowed 21​% of shoppers to receive a free set of earbuds and ​25% of shoppers to receive ​$5 off their first purchase. Answer parts a and b. a. About how many shoppers received a free set of​ earbuds? Use an equivalent fraction to estimate.

b. About how many shoppers received ​$5 off their first​ purchase? Round the number of shoppers to the nearest​ whole number.

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?