A hi school is conducting a survey to see how many students have part time jobs. Would this sample be biased or unbiased?

1 answer:

8 0

It would be biased because one would assume that students can get to school by means other than those that put them 8n the parking lor. (Parking lot = car drivers who would be the only students sampled.). Others may ride to school by either parent or school bus who could drop them off somewhere else or possibly walk to school. The freshmen/sophomores would be excluded generally as they would be too young to drive altogether

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Find the value of x (approximately),

tresset_1 [31]

Answer:. If the Area is 177, it should have been given in square centimeters.

If one side is 13 cm, the other side is about 13.6cm.

If one side is 11 cm, the other side should be about 16.1 cm. Even the choice is incorrect!

A/x = w

Step-by-step explanation: to find a side when the Area is given, divide the Area by the length or width given.

5 0

3 years ago

3x+4[2x-3(x+1)-20x]=25x+100

sashaice [31]

Simplify:
3x + 4[2x -3x -3 -20x] = 25x +100
3x + 4(-21x -3) = 25x + 100
3x - 84x -12 = 25x + 100
-81x -12 = 25x + 100
Add 12 and Subtract 25x from each side
-106x = 112
X = -112/106
X = -56/53
^^^^^^^^^^
Final Answer^^

6 0

3 years ago

Write 1. 995x10^-22 in standard form.

densk [106]

That would be 177.5 in standard form.

5 0

3 years ago

I need some help with this

ale4655 [162]

Answer:

You forgot to say how many miles she drove

Step-by-step explanation: