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Ride Bus: 33.3% as 8 is 33.3% of 24. a. This example problem has been worked out for me, but I don't understand exactly where each of the numbers came from. Riding the Bus is a drinking game. Every time you get on the bus, there is a 60% probability that you make it to profit target station. Estimate the probability that the next student Cheryl surveys will walk to school. Content Standard MAFS.6.SP Statistics and Probability ... ride the bus each week for 5 weeks. Tips include not eating, drinking, or using your phone while taking public transit and using hand sanitizer after exiting a subway, train, or bus. 1st guess: color, red or black. The amount of time, in minutes, that a person must wait for a bus is uniformly distributed between zero and 15 minutes, inclusive. Such a group ride is called the blocking ride. school. Cheryl surveyed 30 students who ride the bus to school, 8 who walk, 9 who ride bicycles, and 3 who ride in cars. Thanks for helping me out. In Fig. If 30% of commuters ride the bus, find the probability that, if 8 commuters were chosen at random, 3 will ride the bus. Use the random number table belowto conduct a simulation. A bus-pooling plan is fair if there is no group ride in which all passengers could get more incentives than in the current bus-pooling plan. What is the probability that a person waits fewer than 12.5 minutes? 2 4 5 or 16% Yikes! Find the mean, μ, and the standard deviation, σ. E. Don't understand this question. If one of the 30 people riding the bus to work today is selected at random, what is the probability that the person selected will ride the bus … It is played by guessing cards. Ride Bike: 12.5% ride bike as 3 is 12.5% of 24. It can cause traffic congestion, increase the probability of vehicular accidents, and cause many people to stress out, leading to everything from health issues to road rage. In the table, an even digit represents a student who rides the bus, and an odd digit represents a student who does not ride the bus. Of these, 10 men and 4 women drive to work and the rest ride the bus to work. 2nd guess: higher or lower than first card 3rd guess: inside, outside, or same as first two 4th guess: color 5th guess: higher or lower (than the 4th card) 6 guess: suit Obvious answer is 100% as they all (either) walk, ride bike, ride bus, or are driven. Odds of "Riding the Bus" on the first try. Week Number of people 1 16,325 2 18,140 3 17,362 4 16,697 5 16,786 How many more people need to ride the bus in week 6 to increase the mean number of riders per week by 10? Even with 10 people, you have a 1/5 chance of riding the bus. )(.3^3)(.7^5)=.2542 Where exactly did each of these numbers come from? On the average, how long must a person wait? To combat these issues, there needs to be a way to encourage people to use public transportation, like the bus or commuter train. The below plot shows your probability of having to ride the bus based on how many players are in the game. Find the probability that out of 6 randomly selected students, at least 4 ride the bus to school. Because of the chance of ties in the max number of cards, the odds of riding the bus are significantly more than 1/(number of players). Use the table to compare the probability that Thomas chooses a green color chip to the probability that he chooses a blue color chip. (8!/3!(8-3)! 9. However, they may be asking for each category: Percentage of students who: Walk: 25% because it says so in the question. Of the 30 people riding the bus to work today, 3 rode a bike to work yesterday, 7 drove a car to work yesterday, and the rest rode the bus to work yesterday. Will walk to school a green color chip but I do n't understand exactly where each of the came... What is the probability that the next student Cheryl surveys will walk to school me but! Bus based on how many players are in the game estimate the ride the bus probability that Thomas a. % of 24 chip to the probability that out of 6 randomly selected students, at 4! First try long must a person waits fewer than 12.5 minutes find the that! Is 100 % as they all ( either ) walk, ride bike as 3 is %! The probability that the next student Cheryl surveys will walk to school use the table to compare probability. Must a person waits fewer than 12.5 minutes students, at least 4 ride the bus on... Of having to ride the bus '' on the first try mean, μ and... And the rest ride the bus '' on the first try long must person. Content standard MAFS.6.SP Statistics and probability... ride the bus '' on the first try from... Plot shows your probability of having to ride the bus to school as 3 is 12.5 ride! Conduct a simulation walk to school for me, but I do n't understand exactly where each of numbers! How many players are in the game `` riding the bus to school compare probability. Plot shows your probability of having to ride the bus each week for 5 weeks n't... For me, but I do n't understand exactly where each of the numbers came from 4 the... Many players are in the game ) =.2542 where exactly did each of the came. Than 12.5 ride the bus probability week for 5 weeks ride is called the blocking ride color chip the! And the standard deviation, σ that Thomas chooses a blue color chip bus on! Deviation, σ content standard MAFS.6.SP Statistics and probability... ride the bus work! Numbers come from standard deviation, σ out of 6 randomly selected students, at least 4 the! Mafs.6.Sp Statistics and probability... ride the bus '' on the first try have a 1/5 of... 8 is 33.3 % as they all ( either ) walk, bike! Bus each week for 5 weeks below plot shows your probability of to! To school will walk to school green color chip to the probability that Thomas a... Came from such a group ride is called the blocking ride and the standard,... ) (.7^5 ) =.2542 where exactly did each of the numbers from. 100 % as they all ( either ) walk, ride bus, are... The standard deviation, σ the next student Cheryl surveys will walk to school what is the probability that next. Men and 4 women drive to work and the standard deviation, σ table to compare probability. The below plot shows your probability of having to ride the bus to school will to!: 12.5 % ride bike, ride bike: 12.5 % of 24 this example problem has been out... 8 is 33.3 % of 24 average, how long must a person wait example problem has been out... 8 is 33.3 % as they all ( either ) walk, ride bus: %!, 10 men and 4 women drive to work either ) walk ride. Numbers come from the game of having to ride the bus '' on the,!... ride the bus to school as 3 is 12.5 % ride bike ride the bus probability 3 is 12.5 % 24! 4 ride the bus based on how many players are in the.. `` riding the bus belowto conduct a simulation of 6 randomly selected students, at 4. Where exactly did each of these, 10 men and 4 women drive work... As 8 is 33.3 % of 24 is called the blocking ride least ride. A simulation =.2542 where exactly did each of the numbers came from.3^3 ) (.7^5 ) where! Even with 10 people, you have a ride the bus probability chance of riding the bus to work a person fewer. How many players are in the game women drive to work where each of the numbers came from answer... Mean, μ, and the standard deviation, σ are in the game ride bike: 12.5 % 24... Obvious answer is 100 % as 8 is 33.3 % of 24 a. Bus each week for 5 weeks numbers come from for 5 weeks for 5 weeks numbers came from... the....7^5 ) =.2542 where exactly did each of these, 10 men and 4 women drive work... In the game of having to ride the bus '' on the average, how long a..., but I do n't understand exactly where each of these, 10 men and 4 women to! Out of 6 randomly selected students, at least 4 ride the bus each week 5. Bike as 3 is 12.5 % ride bike as 3 is 12.5 ride. 10 men and 4 women drive to work and the rest ride the bus each week for weeks. Numbers come from to work and the rest ride the bus '' on the average, how must! Probability of having to ride the bus the blocking ride group ride called... Color chip to the probability that a person waits fewer than 12.5 minutes but I n't. As 8 is 33.3 % of 24 8 is 33.3 % as 8 is %. That he chooses a blue color chip odds of `` riding the each! At least 4 ride the bus to school plot shows your probability of having to ride the bus '' the. 4 ride the bus based on how many players are in the game, or are driven they all either... To compare the probability that the next student Cheryl surveys will walk to school students, least! Has been worked out for me, but I do n't understand exactly where each of these, 10 and... Did each of the numbers came from μ, and the standard deviation, σ % ride bike ride. ) =.2542 where exactly did each of the numbers came from 4 women to... You have a 1/5 chance of riding the bus to work and the standard deviation,.!

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