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_____________Quiz____________? Consider the two-way table below. Find P(B|C). -
Answer ✓✓
B
- P(B|C) = = 0.
_____________Quiz____________? Out of 106 total sophomores, there were forty-eight boys who received either an A, B, or C on their first math test. Out of the twenty-eight total A's, sixteen girls received A's. Out of the total fifty-four B's, thirty girls received B's. Twelve boys received a C out of the twenty-four total C's on the test. Which two-way table represents this information? -
Answer ✓✓
Chart B _____________Quiz____________? The two-way table shows the results of a recent study on the effectiveness of the flu vaccine. What is the probability that a randomly selected person who tested positive for the flu is vaccinated? -
Answer ✓✓
C
_____________Quiz____________? The two-way table shows the results of a recent study on the effectiveness of the flu vaccine. Let N be the event that a person tested negative for the flu, and let V be the event that the person was vaccinated. -
Answer ✓✓
no _____________Quiz____________? A survey was conducted with high school students in each grade to see how many prefer math or English. Some of the data are shown below. Which statements are true? Check all that apply. -
Answer ✓✓
2 - Fourteen eleventh graders prefer math and eight tenth graders prefer English. 4 - Twenty-three ninth graders and thirty-five twelfth graders prefer math. _____________Quiz____________? The table displays the distribution of blood types A, B, AB, and O to the presence of the Rh factor that is either present (Pos.) or absent (Neg.). -
Answer ✓✓
positive Rh factor given type A blood
The two conditional probabilities are not equal because each has different given events. P(A|D) has event D as its given event, resulting in 2/10 for a probability. P(D|A) has event A as its given event, resulting in 2/8 for a probability.
