The probability of rain on Thanksgiving Day in Boston is 0.65. The probability of rain in Honolulu on Thanksgiving Day is 0.30. What is the probability that it rains in Boston or Honolulu on Thanksgiving Day? Make sure you only account for the scenario in which both Boston and Honolulu get rain on Thanksgiving Day once.

Question

anonymous · Answer

$$.65+.30-.65\times .30$$

anonymous · Answer

assuming these events are independent, which is probably why they had them so far apart, then 
$$P(A\cup B)=P(A)+P(B)-P(A)\times P(B)$$

anonymous · Answer

these questions really all over the map
probability
summation 
algebra
what the hell kind of class is this? fruit salad math?

anonymous · Answer

yes! I didnt think any one would know of this class, but here we are

anonymous · Answer

0.09 @satellite73

anonymous · Answer

oh no

anonymous · Answer

compute this 
$$.65+.30-.65\times .30$$

anonymous · Answer

i did that

anonymous · Answer

http://www.wolframalpha.com/input/?i=.65%2B.3-.65*.3

anonymous · Answer

math fruit salad in the late summer
no wonder it is @summertimesadness

anonymous · Answer

haha yupp