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:

not number 5 is is biased.

Number 6 is not biased.

Number 7 is not biased.

Step-by-step explanation:

Biased means of an estimator is the difference between this estimator's expected value and the true value of the parameter being estimated.

darren lives 7/10 from the school and belinda lives 1/3 from the school. how much farther does darren live then belinda? hurry!!!!

can someone plss help me asap. Answer options are
A. Function 1
B. Function 2
C. The functions have the same slope.

Determine the solution to this system of equations. You may refer to the graph on the previous problem. Write the answer as an ordered pair.
y−2=2(x+1)
y+3=−(x−4)

pls help me i cant move on if i dont answer this

Keith is watching a cooking show on TV and decides to try a new super-smoothie
recipe. The new smoothie recipe calls for 3 cups of blueberries and 8 cups of
other ingredients. In his old recipe, Keith himself combines 2 cups of blueberries
with 7 cups of other ingredients. Which smoothie recipe has more blueberries
compared to other ingredients? Create ratio tables or double line diagrams as a
way to justify your answer.

It took Simone 7 hours to mow 4 lawns. She gets paid $12.00 for each lawn she mows. How many lawns could be mowed in 35 hours and how much money would Simone make?

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

HELP HURRY!!!!! i will fail without answer

A prism has a length of 11 centimeters, height of 2 centimeters, and width of 3 centimeters.
What is the volume of the prism?

cm3

Solving a Real-World Problem
An icicle is in the shape of an inverted cone with a diameter of 12 millimeters and a height of 100 millimeters. How much frozen water is in the icicle? Round to the nearest hundredth.

Cone V = one-third B h

638.32 mm3
1,256.64 mm3
3,769.91 mm3
15,079.64 mm3

Omg please please help!!!!

There are 4 black cars, 3 blue cars, and 8 red cars in the hot wheels case. What is the probability of randomly choosing a car that is not blue? Which car is twice as likely as the black car to be chosen?

A group of health care workers were asked how many times per week they visited a gym. The data is shown on the dot plot. Select the statements that are correct.

Please help me!
Ill give brainly

Please Help! Due in 1 hour

For each of the figures shown below, the existing coordinates are listed. Follow the instructions for each shape and perform the specified rigid motion. Clearly list ALL the coordinates for the new image.

A parallelogram with points A (-7, 5), B (6, 5), C (4, -2) and D (-9, -2). Translate with the rules (x + 3, y - 2)

Find the square roots.

Use compatible numbers to estimate the quotient for 23.6 divided by 7.

A hamburger costs 30¢ more than a hot dog and 20¢ less than a cheeseburger. If 3
hamburgers cost 75¢ less than 2 hot dogs and 2 cheeseburgers, how much does a
hamburger cost?

Which equation would demonstrate the commutative property? A.B.C.D.

hayley wants to attend bellhaven collage after high school. she knows that the yearly cost is around $17000 per year. her parents started a college account for her when she was born with an inital amount 2000 and a 6% simple interest rate. it has been open for 18 years. hayley will also be given an academic achievement scholarship for $1000 for her first year of college. how much more will hayley need in order to pay for her first year of college if she uses all of the money she has available? Please show work too. You get 13 points if you answer and show your work.

Plz help me thank you

Find the distance between A and B.

The price of a sweater was reduced from $25 to $10. By what percentage was the price of the sweater reduced?

Please help are you to do is find the surface area of the pyramid please help please

Solve the following multi-step equation: 2(z + 5) + 4 = -12 What does z equal?

what equation is equivalent to 1/3 (9x+12) + 4x + 6
A. 7x + 18
B. 7x + 10
C. 13/3x + 6
D. 13x + 18
for "C" its 13 over 3 x noy 13 divided by 3x

Help please!!!!!!!!!!!!!!!!!!!!!

100 poiints need help asap plzz and i will give brainlest
A figure is broken into a rectangle and a triangle. The triangle has a base of 8 inches and a height of 6 inches. The rectangle has a base of 8 inches and a height of 4 inches.
An irregular figure was broken into a triangle and rectangle.

The area of the triangle is
____ in2.
The area of the rectangle is
____ in2.
The area of the irregular figure is
____ in2

giving deserved thank yous, ratings, and brainliest. The topic is dot plots

The owner of the car dealership decides to treat the value of 22 as an outlier. Which measure of center is affected the most if the owner removes this outlier? Why?