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sukhopar [10]
3 years ago
13

The nutrition committee at a middle school has decided to find out which vegetables are most popular among the 500 students at t

he school. Which sampling method is the BEST choice to use?
Ask all the students from a randomly chosen class of 25 students to choose their favorite vegetables.

Ask 100 randomly chosen students from the student population to choose their favorite vegetables.

Ask the parents of 100 randomly chosen students to choose their favorite vegetables.

Ask 25 students who have purchased vegetables during lunch to choose their favorite vegetables.
Mathematics
2 answers:
Debora [2.8K]3 years ago
7 0
The answer is b.

a is biased because it is only one class answering.

c is wrong because the school is supposed to survey children.

d is biased because children who normally purchase vegetables are more likely to like ones that other students don’t like.
AfilCa [17]3 years ago
6 0

Answer:

a

Step-by-step explanation:

sorry if wrong

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The diameter of the average cell in the human body is 1 x 10-5 meters. The diameter of a grain of sand is about 2 x 10-4 meters.
Ad libitum [116K]
1x-10-4 divided by 25
6 0
3 years ago
At noon Joyce drove to the lake at 30 miles per hour. but she made the long walk back home at 4 miles per hour. How long did she
mars1129 [50]

Answer:

60 miles

Step-by-step explanation:

let d = distance to the lake

Using:  time = distance ÷ speed

Create expressions for the time it takes for each journey:

Drive:  t_1=\dfrac{d}{30}

Walk:   t_2=\dfrac{d}{4}

If total time = 17 hours

\implies t_1+t_2=17

\implies \dfrac{d}{30}+\dfrac{d}{4}=17

\implies \dfrac{17d}{60}=17

\implies 17d=1020

\implies d=\dfrac{1020}{17}

\implies d=60

Therefore she walked 60 miles

3 0
2 years ago
Read 2 more answers
Can someone help me with these questions??
Naddika [18.5K]
What questions I mean there is no questions
4 0
3 years ago
Please help with c and i. and ii.
GaryK [48]
Take however many boys/girls there are and divide it by how many sports there are... so 250/3= 83 boys per sport and 80 girls per sport.
8 0
3 years ago
Can you use the product of powers property to simplify?<br> ANSWER ASAP PLEASE!!!!
slavikrds [6]

Ye, np.

5^2 * 6^4= 25*1296=32400

3 0
3 years ago
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