Use the table to answer the question. Transportation to School Number of Students Walk 23 Car 94 Bus 83 Solve for the probability of randomly choosing a student who rides the bus. (1 point) Responses 94200 Start Fraction 94 over 200 End Fraction 83117 Start Fraction 83 over 117 End Fraction 23200 Start Fraction 23 over 200 End Fraction 83200
To find the probability of randomly choosing a student who rides the bus, you need to divide the number of students who ride the bus by the total number of students.
Probability = Number of students who ride the bus / Total number of students
Probability = 83 / (23 + 94 + 83)
Probability = 83 / 200
Probability = 0.415
So, the probability of randomly choosing a student who rides the bus is 0.415.
written as a fraction?
To write the probability as a fraction, you would use the number of students who ride the bus (83) as the numerator and the total number of students (200) as the denominator.
Probability = 83 / 200
Therefore, the probability of randomly choosing a student who rides the bus, written as a fraction, is 83/200.
Justin’s teacher places a ticket with a student’s name in a jar each time they perform an act of kindness. At the end of the week the teacher will draw a ticket from the jar and award a prize. Justin has 13 tickets so far, with a total of 100 in the whole jar. His goal is to have 20 tickets, and he’s estimating the total number of tickets at that point would be about 200. What is the probability of him winning the drawing if he meets his goal?(1 point) Responses 13100 Start Fraction 13 over 100 End Fraction 15 Start Fraction 1 over 5 End Fraction 110 Start Fraction 1 over 10 End Fraction 13200
To find the probability of Justin winning the drawing if he meets his goal of having 20 tickets (with an estimated total of 200 tickets in the jar), you would calculate the probability as follows:
Probability = Number of Justin's tickets / Total number of tickets in the jar
Probability = 20 / 200
Probability = 1 / 10
Therefore, the probability of Justin winning the drawing if he meets his goal is 1/10.
A desk drawer has 20 pens: 4 fountain pens, 10 gel pens, and 6 ballpoint pens. What is the probability of randomly choosing a gel pen, replacing it, and then choosing a fountain pen?(1 point) Responses 15 Start Fraction 1 over 5 End Fraction 12 Start Fraction 1 over 2 End Fraction 710 Start Fraction 7 over 10 End Fraction 110
To find the probability of randomly choosing a gel pen and then a fountain pen with replacement, you multiply the probabilities of each event happening.
The probability of choosing a gel pen first is: 10 gel pens / 20 total pens = 1/2
Since the pen is replaced, the probability of choosing a fountain pen next is: 4 fountain pens / 20 total pens = 1/5
Therefore, the overall probability of randomly choosing a gel pen and then a fountain pen with replacement is: (1/2) * (1/5) = 1/10
So, the probability of randomly choosing a gel pen, replacing it, and then choosing a fountain pen is 1/10.