The Probability That House Sales Will Increase in the Next

The probability that house sales will increase in the next 6 months is estimated to be 0.25. The probability that the interest rates on housing loans will go up in the same period is estimated to be 1.. The probability that house sales or interest rates will go up during the next 6 months is estimated to be 0.89. The events of increase in house sales and increase in interest rates in the next 6 months are

A) collectively exhaustive.

B) statistically independent.
C) mutually exclusive.
D) none of the above