for a certain class, the following data table compares how many students have a brother or a sister. what is…

for a certain class, the following data table compares how many students have a brother or a sister. what is the probability that a randomly chosen student from the class does not have a brother?\n| |has a brother|does not have a brother|\n|--|--|--|\n|has a sister|3|9|\n|does not have a sister|14|2|

for a certain class, the following data table compares how many students have a brother or a sister. what is the probability that a randomly chosen student from the class does not have a brother?\n| |has a brother|does not have a brother|\n|--|--|--|\n|has a sister|3|9|\n|does not have a sister|14|2|

Answer

Answer:

$\frac{11}{28}$

Explanation:

Step1: Calculate total students

$3 + 9+14 + 2=28$

Step2: Calculate students without a brother

$9 + 2 = 11$

Step3: Calculate the probability

Probability = $\frac{\text{Students without a brother}}{\text{Total students}}=\frac{11}{28}$