SOLUTION: Consider the following data of males and females receiving grades A, B, C, and D. Males: 100 received A, 122 received B, 75 received C, and 23 received D. Females: 105 receiv

Algebra ->  Probability-and-statistics -> SOLUTION: Consider the following data of males and females receiving grades A, B, C, and D. Males: 100 received A, 122 received B, 75 received C, and 23 received D. Females: 105 receiv      Log On


   

Question 1198325: Consider the following data of males and females receiving grades A, B, C, and D.
Males: 100 received A, 122 received B, 75 received C, and 23 received D.
Females: 105 received A, 98 received B, 100 received C, and 15 received 15.
What is the probability of getting an A or B if you are a female.
One of the following is the correct answer. Which one?
A) 0.3302 (33.02%)
B) 0.3082 (30.82%)
C) 0.1018 (10.18%)
D) 0.6384 (63.84%)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Previously addressed:


	A	B	C	D	Tot

m	100	122	75	23	320

f	105	98	100	15	318

Tot	205	220	175	38	638

P (A or B | F) = (105+98)/318