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MAXImum [283]
3 years ago
10

A student measures the wingspans of 40 local dragonfly specimens selected at random. The sample mean is 6.8 centimeters with a m

argin of error of 0.9 centimeters. Based on this information, what are plausible values for the mean wingspans of the population of local dragonflies?
Explain or show your reasoning.
Mathematics
1 answer:
Anna [14]3 years ago
6 0

Answer:

6.8 - 0.9 = 5.9

Step-by-step explanation:

5.9 is the only average that seemed reasonable. Hope I helped.

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7 0
3 years ago
2\%2%2, percent of the students at Hamilton Middle School have red hair. There are 700700700 students at Hamilton Middle School.
Andrew [12]

Answer:

<u>14 students</u> at Hamilton Middle School have red hair.

Step-by-step explanation:

Given:

2%, percent of the students at Hamilton Middle School have red hair.

There are 700 students at Hamilton Middle School.

Now, to find the number of students at Hamilton Middle School having red hair.

Total number of students = 700.

Percent of the students at Hamilton Middle School have red hair = 2%.

Now, to get the number of students at Hamilton Middle School having red hair:

2\%\ of\ 700\\\\=\frac{2}{100} \times 700\\\\=0.02\times 700\\\\=14.

Therefore, 14 students at Hamilton Middle School have red hair.

3 0
3 years ago
Read 2 more answers
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