Margo and Carrie are trying to go to Idaho for Dawn's wedding. The probability of finding a flight for less than $400 is 1/7. The probability of Carrie making enough money babysitting to pay for her flight is 3/5. The probability of the girls being able to take time off from work is 1/2. What is the probability that they will make it to their friend's wedding?

Question

anonymous · Answer

help

amistre64 · Answer

do any of the events depend on one another?

amistre64 · Answer

flipping a coin getting heads or tails is:  1/2
picking a day out of the week is: 1/7

since neither of these events effects the other, the probability of getting a tail, on a wednesday is just:  1/2 + 1/7