Question

giving a test to a group of students, the grades and gender are summarized below grades vs. gender a b c male 7 19 12 female 4 10 16 if one student was chosen at random, find the probability that the student got a b. probability = (round to 4 decimal places)

Explanation:

Step1: Calculate total number of students

$7 + 19+12 + 4+10 + 16=68$

Step2: Calculate number of students who got a B

$19 + 10=29$

Step3: Calculate the probability

Probability = $\frac{\text{Number of students who got a B}}{\text{Total number of students}}=\frac{29}{68}\approx0.4265$

Answer:

$0.4265$