Upper and Lower Bounds

Question 1

96 is given correct to the nearest whole number.

What are the upper and lower bounds?

Answer 1

LB = 95.5 
UB = 96.5

Question 2

100 is given correct to the nearest whole number.

What are the upper and lower bounds?

Answer 2

LB = 99.5 
UB = 101.5

Question 3

13.4 is given correct to 1 decimal place.

What are the upper and lower bounds?

Answer 3

LB = 13.35
UB = 13.45

Question 4

20.7 is given correct to 1 decimal place.

What are the upper and lower bounds?

Answer 4

LB = 20.65
UB = 20.75

Question 5

90.0 is given correct to 1 decimal place.

What are the upper and lower bounds?

Answer 5

LB = 89.95
UB = 90.05

Question 6

30 is given correct to 1 significant figure.

What are the upper and lower bounds?

Answer 6

LB = 25
UB = 35

Question 7

400 is given correct to 1 significant figure.

What are the upper and lower bounds?

Answer 7

LB = 350
UB = 450

Question 8

7 is given correct to 1 significant figure.

What are the upper and lower bounds?

Answer 8

LB = 6.5
UB = 7.5

Question 9

4.5 is given correct to 2 significant figures.

What are the upper and lower bounds?

Answer 9

LB = 4.45
UB = 4.55

Question 10

0.67 is given correct to 2 significant figures.

What are the upper and lower bounds?

Answer 10

LB = 0.665
UB = 0.675