Math

FINAL EXAM BHS-105

1. FILL OUT THE TRUTH TABLE FOR THE FOLLOWING STATEMENT.

PV(Q~S)

P	Q	~P	~Q	S	~S	(Q	PV(Q
T	T	F	F	T	F	F	T

USE THE TABLE BELOW TO FIND THE INDICATED PROBABILITIES.

SMOKE/CANCER	HAS CANCER(C)	NO CANCER(NC)	TOTAL
SMOKE(S)	27	35	62
NOT SMOKE(NS)	12	56	68
TOTAL	39	91	130

2. FIND P(CUNS)=

3. FIND P(S)

4. FIND P(NC/S)

5. FIND P(NC/NS)

6. FIND (NSC)

7. FIND THE MEAN AND MEDIAN OF THE FOLLOWING SAMPLE.

( 3, 7, 9, 11, 16, 17, 18, 21, 24)

8. FIND THE AREA UNDER THE NORMAL CURVE BETWEEN Z=-1.1 AND Z= .9.

9. ON A GIVEN TEST THE AVERAGE IS 78 AND THE STANDARD DEVIATION IS 8.5. FIND THE PROBABILITY THAT SOMEONE SCORED BETWEEN 74 AND 85 AND WE KNOW THE SCORES ARE NORMALLY DISTRIBUTED.

10. FOR NUMBER 9 FIND THE Z-SCORE FOR SOMEONE WHO RECEIVED A 90 AND ONE WHO RECEIVED A 68.

11. REWRITE THE FOLLOWING IN EXPONENTIAL NOTATION.

12. LOG(100)=2

13. WRITE 10^3=1000 IN LOGARITHMIC TERMS.

14. SOLVE FOR X, , X=

15. SOLVE FOR X,

16. IF THE HALF LIFE OF CARBON-10 IS 8 YEARS, HOW MUCH CARBON-10 WILL REMAIN AFTER 13 YEARS IF YOU STARTED WITH 20 GRAMS.

17. If a certain village had a population of 775 people in year 2010 and 5 years later it had a population of of 1600 people and its growth is exponential what is its growth rate and what will its population by in the year 2021.

18. Find the simple interest on $7500 invested at 8% for 10 years.

19. How much will that same amount grow if it is compounded monthly with the same rate for 10 years.

20. What will my monthly payment be on a car that costs $20000, financed at 2.5% interest for 5 years.