Total 14 29 5 48 If one student is chosen at random, Find the probability that the student did NOT get an "B"
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If one student is chosen at random, find the probability that the student did NOT get a "B".
It is given that the data of students, grades and gender in the tabulation form.
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- Find the probability that a child flipping an old coin gets the second head on the 6th flip.If the probability that you get a grade of "A" in this class is 90%, find the probability that you do NOT get a grade of "A" in this class.Suppose a jar contains 5 red marbles and 40 blue marbles. If 2 marbles are randomly chosen from the jar at the same time, find the probability that both marbles are red. Round your answer to four decimal places.
- When dealt with 2 cards successfully without replacement from a shuffled deck of 52 cards. Find the probability that a spade comes first and a red card second.In a class, the probability that a student owns a laptop is 0.2. Find the probability that the 5th student to be interviewed owns a laptop.A person randomly picks one of the numbers 1, 2 or 3, with identical probability each, and then rolls a balanced die as many times as the chosen number indicates. Finally, add up the results of the rolls of the die. Calculate the probability that the number 2 was chosen given that the sum of the rolls of the die is 8.
- A recent survey showed that 64% of college students drink coffee daily. Find the probability that three of the next four students that come to class will drink coffee daily. Find the probability that more than five of the next ten students to come to class will drink coffee daily.A grocery store had 10 cartons of milk, 2 of which are strawberry flavored. If you are going to buy the 6th carton of milk sold that day at random, find the probability of selecting a carton of strawberry flavored milk.A box contains 4 blue marbles, 5 green marbles and 8 red marbles. A marble is picked from the bag at random. Find the probability that the marble picked is red. Find the probability that the marble picked is not blue. Find the probability that the marble picked is not green.