Determine whether each sample may be biased. Explain.
5. Rickie surveys people at an amusement park to find out the average size of people's immediate family
6. Theo surveys every fourth person entering a grocery store to find out the average number of pets in people's homes.
7. A biologist estimates that there are 1,800 fish in a quarry. To test this estimate, a student caught 150 fish from the quarry, tagged them, and released them. A few days later, the student caught 50 fish and noted that 4 were tagged. Determine whether the biologist's estimate is likely to be accurate.
NO FILES OR I REPORT grr >:-(
Answer:
7
Step-by-step explanation:
in 5 and 6 there are few flaws in their experiment, so there is no way to disprove the information they find. However in 7, the biologist can't prove that having 4 tagged fish out of 50 means there are 1,800 fish in that quarry. Therefore it is inaccurate and biased.
In terms of the number of moose, what is the relative frequency of male moose, female moose, adult moose, and baby moose? Write your answers as simplified fractions.
Answer:
I'm sorry is there a chart/graph, etc. to give us more information?
Without the added information there is no way for me to answer.
If you repost this question with a picture I would be more than happy to help.
Hey, you damm extras solve this problem for a random girl or ur gonna have to battle the future No.1 hero.
Answer:
2 9/32
Step-by-step explanation:
Answer:
3 12/16
Step-by-step explanation:
The answer should be 3 12/16 or 2 and 3/4 although I am not 100% sure this is the answer this is how I got it. 10/16 + 5/32 = 10/16 + 10/16 = 20/16 = 1 4/16 + 2 = 3 4/16 + 1/2 = 3 and 12/16
A total of 2600 twenty dollars and ten-dollar coins are In a Piggybank. For every twelve twenty-dollar coin in the piggy bank there is 1 $10 dollar coin, how many twenty-dollar coins are in the piggy bank
Answer: 2600 if I'm wrong can u please use proper grammar cuz i kinda wanna try to solve it unless I'm right
Step-by-step explanation:
Help no links please
Answer:
180
Step-by-step explanation:
The difference between 68 and 23 is 45. The company charging 23$ has to be 45$ more for the amount of hours. When you multiply 180 by .4 you get 72, and when you multiply 180 by .65 you get 117. The difference is 45.
Sorry that I didn't show my work, I don't really know how to do this other than plugging in random numbers and 180 fits so...
Hope this helps!
Use order of operations to evaluate the expression.
12 x (3 + 4) ÷ 2 - 10
Answer:
32
Step-by-step explanation:
Here's the order of what to solve:
Parenthesis
Exponents
Multiply
Divide
Add
Subtract
12 x (3 + 4) ÷ 2 - 10
12 x 7 ÷ 2 - 10
12 x 7 ÷ 2 - 10
84 ÷ 2 - 10
84 ÷ 2 - 10
42 - 10
42 - 10
= 32
Answer:
Step-by-step explanation:
Add: 3 + 4 = 7
Multiple: 12 * the result of step No. 1 = 12 * 7 = 84
Divide: the result of step No. 2 : 2 = 84 : 2 = 42
Subtract: the result of step No. 3 - 10 = 42 - 10 = 32
A little help please
please i need help asap
Answer:
I think c over 5 i could be wrong
Please help are you to do is find the surface area of the pyramid please help please
Answer:
ok
Step-by-step explanation:
Answer:
180.286868 or 180.29
Step-by-step explanation:
28 X 8.7 = 243.6
243.6 x 1/2 = 180.29
No links i rlly need help
Answer:
The answer is B.
Step-by-step explanation:
It's the only equation that fits the information in the table.
The table shows home runs for 2 baseball players over 5 games. Which statement is true?
Answer:
henry statement is true
Step-by-step explanation:
!!!*BRAINLIEST*!!!
Solve for the value of e
Please help!
I- HOW IS THIS QUESTION "SHORT"
Answer:
The answer is a
Step-by-step explanation:
Hope this helps
(If it does can I please have brainliest)
The following table shows the number of raisins in a scoop of a variety of brands of Raisin Bran cereal. Find the mean absolute deviation (MAD) of the data set
Answer:
The mad is two
Step-by-step explanation:
Find the slope of each line
Answer: The slope is -5/4.
Step-by-step explanation: The slope of a line refers to its direction and steepness. The slope can be expressed as a fraction that is commonly refered to as rise over run. In order to find the slope of a line, you need to find two coordinates on the line and use the "rise over run" method. The numerator (rise) is how many units up or down while the denominator (run) is how many units left or right. There are two given points on this specific line. To get from one to the other, you must go down 5 units and to the right 4 units; therefore, the slope, or rise over run, is -5/4.
REwaRDiNG BRAINLY TO CORRECT
A zoo measured the wingspan, in millimeters, of 9 butterflies.
55 50 54 57 50 55 53 52 55
What is the median length of the wingspans?
50 millimeters
54 millimeters
55 millimeters
57 millimeters
Answer:
The median is the middle of your data when it is arranged in order.
Since you have 9 data points, the median will be the 5th value.
Your data in numerical order would be:
50 50 52 53 54 55 55 55 57
Therefore, the median is 54mm
Step-by-step explanation:
Answer:
B. 54
Step-by-step explanation:
Put all numbers from least to greatest in order and cross one out on each side until you reach the final number in the middle with even crosses on each side.
50, 50, 52, 53, 54, 55, 55, 55, 57
50- crossed
57- crossed
50- crossed
55- crossed
52- crossed
55- crossed
53- crossed
55- crossed
Which leaves 54! Hope this helps, good luck! :)
What are the vertices of the resulting image P'Q'R’ after rotating the figure 270° about the origin? Choose numbers to complete the coordinates. Numbers may be used once, more than once, or not at all.
Answer:
i dont know sorry
Step-by-step explanation:
darren lives 7/10 from the school and belinda lives 1/3 from the school. how much farther does darren live then belinda? hurry!!!!
Answer:
11/30
Step-by-step explanation:
You need to convert everything to a common denominator, so you would change everything into x/30 so 7/10 is equal to 21/30 and 1/3 is equal to 10/30 so you would just subtract 21-10 and get 11/30
8x^2 + 25y
y = 2
x = 3
Answer: 122
Step-by-step explanation:
Solving the equation...
Substitute the values of x and y...
8(3^2) + 25(2)
= 122
Answer:
122
Step-by-step explanation:
8x^2+25y
8(3)^2 +25(2
72+ 50 =122
Yo someone hellp me and if you see this please click!
Answer:
3/4
Step-by-step explanation:
Answer: 3/4
Step-by-step explanation:
In decimal form, 2/5 is .4
In decimal form, 7/8 is .875.
In decimal form, 3/4 is .75.
In decimal form, 15/16 is .9375.
In decimal form, 1/3 is .3333.
In decimal form, 3/8 is .375.
3/4 is the only one in between.
pls answer this somebody!!!!
Answer:
12 units²
Step-by-step explanation:
A = bh
⇒ A = 6 × 2 = 12
help it is due today and not links or files of downloads of anything like that just type in your answer plz and thank u :)
Answer:
b=$65
Step-by-step explanation:
From question:
Four friends went out to dinner
Decided to equally split the bill
Each paid 16.25
(a)Total amount = b
Average amount paid by 4 friends =16.25
b = Average amount*total number of friends
= 16.25 * 4
(b) b= 4*16.25
=65
A hamster weighs 100 grams, and it eats 200 decigrams of food. How many decigrams does the hamster weigh after eating?
Answer:
1,200 decigrams after.
Step-by-step explanation:
There are 10 decigrams in a gram, so 100 grams times 10 is 1000. Add that to the weight of the food. it would be 1,200.
I'm asking this again, sorry. But PLEASE PLEASE PLEEEASEE HELP! IT's URGENT!
Answer:
this is not a Question
Step-by-step explanation:
Solve the x ['-']
48>−6x
Answer:
x = -9, -10, -12...
essentially anything less than negative 8
Step-by-step explanation:
48>-6x
-8>x
Please please please help me I’m in honors math so our teacher makes us show our work
Answer:
You didn't put the question
Step-by-step explanation:
(will edit when the question is fixed)
Answer:
what is the question?
Step-by-step explanation:
can any of you guys help me out
Answer:
100 times rolled total
32 times number 2 was rolled
32/100 chance of rolling a 2 on the number cube
Heads was flipped 55 times, 100 total flips so 55/100
(32/100) x (55/100) = .176
176/1000 x 10 =
1760/10000 A
Step-by-step explanation:
Ariana's grandfather made a scaled down model of a knitting needle to be placed inside a dollhouse. Arianna measured the model below. If every 0.5 inch of the scaled down model equates to 3.5 inches of the actual needle, what is the length of the actual needle?
10.5
15
12
9.5
Answer:
10.5
Step-by-step explanation:
1.5 inches
.5 and 1.5 =3
3x3.5=10.5
NO LINK ANSWERS
Line A is represented by the equation given below:
x + y = 4
What is most likely the equation for line B, so that the set of equations has infinitely many solutions? (1 point)
4x + 4y = 4
4x + y = 4
2x + 2y = 8
x + y = 8
Answer:
x + y = 8
Sorry i think its wrong and prabably is :( sorry
Answer:
To have infinitely many solutions they must describe the same line. So any multiple or fraction of the reference line would indeed describe the same line, and thus "intersect" at each and every of an infinite number of points.
2(x+y=4)
2x+2y=8 (is the same line as x+y=4)
HELP HURRY!!!!! i will fail without answer
Answer:
i can't see the photo
Step-by-step explanation: