Question

1. Lucy wants to find out the number of frogs in a pond near her house. She catches 54 of them, puts a leg band on them, and puts them back in the pond. The next week, she catches 70 frogs. Of those 70 frogs, 13 have a leg band. Based on this information, reasonable estimate of the number of frogs in the pond?
A. 208
B. 632
C. 291
D. 111

2. In a sample of 50 museum visitors one after noon, 22 were females and 28 were male. If there were 800 museum visitors that afternoon, estimate the number of visitors who were female.
A. 220
B. 352
C. 448
D. 700

Answer 1

3. A manufacturer samples 100 wires for quality testing. Four of the wires are found to be defective. If 750 wires are produced in one hour, how many should the manufacturer expect to be defective?
A. 30
B. 60
C. 75
D. 96

Answer 2

My answers are
1.C
2.B
3.a

Answer 3

?

Answer 4

@Loser66 @ganeshie8 @Mertsj

Answer 5

\[\frac{13}{70}=\frac{54}{x}\]

Answer 6

@johnweldon1993 Can you check my answers?

Answer 7

Those look correct to me

Answer 8

Ok thanks:)

Answer 9

And thanks for your help too @Mertsj