Basketbala 37 127 71 198 2. Now suppose our experiment consists of drawing three tiles from the bag with replacement. That is, after we draw each tile, we put it back in the bag before drawing the next tile. If any three events are independent, we may use the multiplication rule to calculate this probability that al the events occur: tage in differe sional sports. (a) What is the probability of drawing an A all three times? That is, we draw an A the first time and an A the second time and an A the third time. P(A and B and C) = P(A)P(B)P(C) cted game is 42 P(An BnC) PO.09)PL.02)Pl.02) ) You want to draw three letters that could make a word and give you a lot of points. Come up with such a three letter word and find the probability of picking the tiles in word order for our experiment (for example, if my word is CAT, then find the probability of picking a C followed by an A followed by a T). Show all the steps in your calculation. won by tr Probability: 3. Now suppose our experiment consists of drawing three tiles from the bag without replacement. That is, after your draw each tile, you do not put it back in the bag. This, of course, is how the game is usually played! Word: (a) What is the probability of drawing three A's in a row for our new experiment? First find the probability of drawing an A for your first selection using the following steps. won Having drawn the first A, we keep it out of the bag. This changes our chances of drawing an A the second time. Calculate this new probability of drawing an A, given that we have already taken one out of the bag. P(first is an A) = Now two A's have been removed from the bag. Calculate the probability of drawing one more A, given that the first and second draws were A's. P(second is an A | first is an A) = To find the probability that the first is an A and the second is an A and the third is an A, apply the general multiplication rule to the three probabilities you calculated. P(third is an A | first and second are A's) = b) Calculate the probability of drawing your high scoring three letter word from (2b) in word order if we select tiles without replacement. P(first is an A and second is an A and third is an A) =
Basketbala 37 127 71 198 2. Now suppose our experiment consists of drawing three tiles from the bag with replacement. That is, after we draw each tile, we put it back in the bag before drawing the next tile. If any three events are independent, we may use the multiplication rule to calculate this probability that al the events occur: tage in differe sional sports. (a) What is the probability of drawing an A all three times? That is, we draw an A the first time and an A the second time and an A the third time. P(A and B and C) = P(A)P(B)P(C) cted game is 42 P(An BnC) PO.09)PL.02)Pl.02) ) You want to draw three letters that could make a word and give you a lot of points. Come up with such a three letter word and find the probability of picking the tiles in word order for our experiment (for example, if my word is CAT, then find the probability of picking a C followed by an A followed by a T). Show all the steps in your calculation. won by tr Probability: 3. Now suppose our experiment consists of drawing three tiles from the bag without replacement. That is, after your draw each tile, you do not put it back in the bag. This, of course, is how the game is usually played! Word: (a) What is the probability of drawing three A's in a row for our new experiment? First find the probability of drawing an A for your first selection using the following steps. won Having drawn the first A, we keep it out of the bag. This changes our chances of drawing an A the second time. Calculate this new probability of drawing an A, given that we have already taken one out of the bag. P(first is an A) = Now two A's have been removed from the bag. Calculate the probability of drawing one more A, given that the first and second draws were A's. P(second is an A | first is an A) = To find the probability that the first is an A and the second is an A and the third is an A, apply the general multiplication rule to the three probabilities you calculated. P(third is an A | first and second are A's) = b) Calculate the probability of drawing your high scoring three letter word from (2b) in word order if we select tiles without replacement. P(first is an A and second is an A and third is an A) =
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.2: Probability
Problem 1E: The set of all possible outcomes of an experiment is called the ____________ _____________. A subset...
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