3. A fish and game warden captures and tags 66 deer in a local forest. A month later he captures 100 deer and that 17 of them are tagged. Estimate the actual number of deer in the forest. A) 149 B)1,022 C) 578 D) 389*** 4. 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 the 70 frogs, 13 have a leg band. Based on this information, what is a reasonable estimate of the number of frogs in the pond? A) 208 B) 632 C) 291 D) 111 5. In a sample of 50 museum visitors one afternoon, 22 were female 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*** 6. A manufacturer sample 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
29 answers
A) 149 B)1,022 C) 578 D) 389***
4. 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 the 70 frogs, 13 have a leg band. Based on this information, what is a reasonable estimate of the number of frogs in the pond?
A) 208 B) 632 C) 291 D) 111
5. In a sample of 50 museum visitors one afternoon, 22 were female 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***
6. A manufacturer sample 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
4 which one do you think it is?
5 is wrong
6 which one do you think it is?
A) 208 B) 632 C) 291 D) 111
70 frogs/13 with a leg band*54 that she originally caught=290.769 estimated in the pond 70/13*54=290.769
1. D
2. C
3. B
100% right answers i promise
2: C
3: D
4: C
5: B
6: A
Short Answer
!!!DO NOT ENTER WHAT I PUT! THESE ARE FOOTNOTES FOR YOU TO PUT IN YOUR OWN WORDS!!!
a: you don't know the opinion of the students
b: it is biased, negative adjectives
c: about 94.5
Here's my work:
A fish and game warden captures and tags 66 deer and releases them. A month later, he captures 100 deer and finds that 17 of them have tags.
Total number of tagged deer in sample/total number of deer in sample = 17/100
Total number of tagged deer in population/total number of deer in population = 66/x
17/100 = 66/x
17x = 100*66=6600
I guess you could divide 17 into 6600. That would give you 388.235294, which if rounded to the nearest whole number is 389.
For A. on question 7 "They had a fair chance because" - put in your own words and add on.
For B. "It is biased because" - add on why you think it is biased, if you think the opposite write that but don't because its wrong.
C. Give the percentage of people who said "NO" not "YES" only "NO"
The percentage is 3% add some words to it, so you dont get told you cheated or got help. :)
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connexus june 2022
Number of X (e.g. woman) in sample Number of X (woman) at event
=
Number of X (e.g. people) in sample Number of X (people) at event
You then cross multiple and more than likely there is a X on one of them so for example this is how to solve question 5:
In a sample of 50 museum visitors one afternoon, 22 were femael and 29 were male. If there were 800 museum visitors that afternoon, estimate the number of visitors who were female.
22 x
=
50 800
50 ⋅ x = 50x
22 ⋅ 500 = 17,600
50x = 17,600 (We are trying to find the X and the first step is to get it by itself, right now its multiplying with the "50" so divided 50 by 50 and get zero. Now what you do on one side you have to do on the other, so 17,600 divided by 50 = 352)
17,600 divided by 50 = 352
A. 220
B. 352
C. 448
D. 700
Number of females in sample / Total number of people in sample = Number of females at event / Total number of people at event
Substituting the given values, we get:
22 / 50 = x / 800
Cross-multiplying, we get:
50x = 22 * 800
Simplifying, we get:
x = (22 * 800) / 50
x = 352
Therefore, an estimate of the number of visitors who were female is 352.
Hence, the answer is (B) 352.