Mathematics

Mathematics, 27.07.2019 11:00, nehemiahj8

If a bag has 40 red and blue marbles and half of them are red, what is the probability of picking a blue marble?

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Mathematics, 26.06.2019 12:30, krystlelong29

Afew probability questions. quickly : ) i have tried to do them but seem to be unable to figure these 2 out.1). there are 7 red and 5 blue marbles in the bag. you randomly chooses one of the marbles. without replacing the first marble, you choose a second marble. find the probability of the events.a. choosing a red marble and then a blue marble.b. choosing a blue marble and then another blue marble.c .without replacing the first and second marble,you choose a blue marble, a red marble, and then another red marble.2). a bag contains 6 red marbles, 4 blue marbles, 7 green marbles, and 3 yellow marbles. a marble is drawn from the bag and not replaced. then a second marble is drawn. what is the probability that both marbles were red? a 3/40b 9/100c 3/38d 9/95

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Mathematics, 02.07.2019 09:50, youngchapo813p8d9u1

In a contest players have to pick marbles from a bag the bag contains 30 blue marbles 20 yellow marbles 10 red marbles and 40 yellow marbles. a player is wins 7$ on picking a green marble losses 5$ on picking a blue marble loses 3$ on picking a yellow marble and wins 2$ on picking a red marble. what is the expected value of the money earned in 100 draws assuming the marble is returned each time before another is drawn? ? a. 50$ b.90$ c. 100$ d. 200$

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Mathematics, 01.08.2019 13:47, marlea

Check my answers what are the odds of picking an "m" in the word mississippi? 1: 09 1: 10 < 1: 11 1: 12 theoretical probability is based on the assumption that all outcomes in the sample space occur randomly. true< false a bag contains 3 white marbles, 2 black marbles, and 5 red marbles. find the probability of picking a black marble? 1/2 1/5 3/10< 1/4 josie had a choice of 3 breads, 3 choices of meat, and 5 choices of cheeses to make a sandwich. how many different sandwiches can she make? 9 30 15 45< a bag has 5 red marbles, 6 blue marbles and 4 black marbles. what is the probability of picking a blue marble, replacing it, and then picking a black marble? 8/75 4/45< 1/15 1/9 a bag has 5 red marbles, 6 blue marbles and 4 black marbles. what is the probability of picking a red marble, replacing it, and then picking another red marble? 4/45 8/75 1/15 1/9< a bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. what is the probability that you pick a red marble, do not replace it, and pick a green marble? 2/15< 1/15 1/9 3/10 think about a standard deck of 52 playing cards. which of the following events is mutually inclusive? drawing a king or a queen. drawing a club or a black card. < drawing a king or a 5. drawing a jack or a 10. think about a standard deck of 52 playing cards. which of the following events is mutually exclusive? drawing a king or a queen. < drawing a club or a black card. drawing a king or a heart. drawing a face card or a heart.

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Mathematics, 15.10.2019 10:30, johndiaz26

Ineed plz ! just 2 questions anyone 06.01)a bag contains 20 marbles of the same size that are blue, green, and red. the probability of picking a blue marble is 20%. the probability of picking a green marble is 50%. determine the probability of picking a red marble from the bag and then classify the probability of picking a red marble as likely or not likely to occur. 06.02)gareth believes that if he flips a coin 820 times, it will land heads up exactly 410 times. what would you tell gareth about his prediction?

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