A random sample of 30 seventh grade students shows that 12 of them own a dog. How many seventh grade students can you predict ow
n a dog if the entire population of seventh graders is 400?
2 answers:
Answer:
160
Step-by-step explanation:
If out of 30 7th graders, 12 own a dog then when you have 400 of them, 160 will have a dog as well.
The way I did this was by 400/30: which was 13.3 repeating. I then mutliplied this number by 12, to find the final answer of 160.
Answer:
160
Step-by-step explanation:
proportion: 12/30 = 0.4
0.4 × 400
160
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Step-by-step explanation:
Answer:
Step-by-step explanation:
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It will take him 182 because when you divide 2175 by12 u get 181.25 and you have to add a day for the point .25
Answer:
$10.23
Step-by-step explanation:
$2.19+$1.39+$3.69+$2.29=9.56
9.56 x 1.07=10.2292
You round to the nearest tenths place
$10.23
