Question

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 each frog, 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, what is a reasonable estimate of the number of frogs in the pond?


208
632
291
111

Please explain the steps, I did put answer 111, but it came out wrong ! Why?

Answer 1

Please can some one help!!

Answer 2

x->54
70->13 =>
x=54*70/13

Answer 3

So the answer will be 290

Answer 4

Have another question

Answer 5

yaa

Answer 6

A fish and game warden captures and tags 66 deer in a local forest. A month later he captures 100 deer and finds that 17 of them are tagged. Estimate the actual number of deer in the forest. (1 point)

149
1,022
578
389

I should be using the same method?

Answer 7

yaa

Answer 8

Is it 389?

Answer 9

Ok another Q

Answer 10

yes

Answer 11

The city of Valley Grove is considering shortening the length of the school day. The school board hired Mr. Kent to do a survey to help them decide what to do.

a. Mr. Kent interviewed 54 students as they left the school. Is this a random sample? Explain.

b. Mr. Kent used this survey question: “Should the lengthy school day, which now extends for 7.5 hours, be shortened to 6 hours?” Is this question biased or fair? Explain.

c. Of the 54 responses he received, 51 were “yes.” The rest were “no.” What percent of the responses were “no”?

Answer 12

I answered

A. No
B. Biased because of the word "lengthy"
C. 54-51=3. So 3/54 x 100
But Q A is insufficient , I need a good explanation, could you help me in it

What do you say about the other answers?

Answer 13

@ minoz, are you there? It my last Q

Answer 14

alll r correct
what do u need???

Answer 15

Just the Q A answer is not sufficient , since it is asking for explanation!