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4. The five-number summary below shows the grade distribution of a STAT 200 quiz for a sample of 160 students
Answer each question based on the given information, and explain your answer in each case.
(a) What is the interquartile range in the grade distribution? Mehr anzeigen
5. Consider selecting one card at a time from a 52-card deck. What is the probability that the first card is an ace and the second card is also an ace? (Note: There are 4 aces in a deck of cards) (Show all work. Just the answer, without supporting work, will receive no credit.) Mehr anzeigen