The probability that condo sales will increase in the next 6 ...

[DyllonKazuo]

The probability that condo sales will increase in the next 6 months is estimated to be 0.30 . The probability that the interest rates on condo loans will go up in the same period is estimated to be 0.75 . The probability that condo sales or interest rates will go up during the next 6 months is estimated to be 0.90 . What is the probability that condo sales will increase but interest rates will not during the next six months?

Question 2

The time it takes a technician to fix a telephone problem is exponentially distributed with a mean of 15 minutes. What is the probability that it will take a technician between 10 to 15 minutes to fix a telephone problem?

[tanna.moeller]

Answer to Question 1

0.15

Answer to Question 2

0.1455

[DyllonKazuo]

Excellent

[bblaney]

Gracias!