There are 4 jacks and 13 clubs in a standard, 52-card deck of playing cards. what is the probability that a card picked at random from a standard deck of playing cards is a club or a jack? a. b. c. d.

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?