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In-s [12.5K]
2 years ago
13

1. Maggie keeps track of daily bird sightings. The table below shows the number and type of swans that were seen in one day. Wha

t percent of the swans were mute swans? Round your answer to the nearest tenth of a percent.
Mathematics
1 answer:
Vitek1552 [10]2 years ago
8 0

Answer:

hello! i just did this problem and the answer is 12.2%

Step-by-step explanation:

first we need to add all of the swans together, then from there you take the amount of mute swans and divide it by the sum of all the swans! finally, multiply by 100 to convert into a percent and round it to 12.2%

hope this helped plz give me brainliest! <3

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Juan adds 3.8+4.7 and gets a sum of 84 .Is his answer correct.tell how you know
Ivan

Answer:

His answer was wrong the answer should be 8.5 .

Step-by-step explanation:

3.8+4.7=8.5

3 0
3 years ago
Can you plz help I need help because I kinda don’t get it plz help
dmitriy555 [2]

Answer:

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Step-by-step explanation:

5 0
3 years ago
WILL MARK BRAINLIEST
notka56 [123]

22 (what number is in the middle one you put it in ascending order)

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8 0
3 years ago
A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given th
taurus [48]

Answer:

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 27 - 1 = 26

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 26 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.0518

The margin of error is:

M = T\frac{s}{\sqrt{n}}

In which s is the standard deviation of the sample and n is the size of the sample.

In this question:

n = 27, s = 21.4. So

M = 2.0518\frac{21.4}{\sqrt{27}}

M = 8.45

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

5 0
3 years ago
I sthe answer A? IM only half sure??
trasher [3.6K]
You are correct there is no pattern

5 0
3 years ago
Read 2 more answers
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