Select the current variable to indicate where the probabilities belong when finding a conditional probability

P(B|A) = m/n (fraction)

=P(A intersect B)

= P(A)

What are the blanks please help this is so ridiculously hard

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3