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sasho [114]
2 years ago
8

The table shows the average chick weight in grams of sixteen different species of birds.

Mathematics
1 answer:
Amanda [17]2 years ago
4 0

Answer:

1# - 5g is the lighest weight.

2# - 3 of the weights are less than 10 grams.

Step-by-step explanation:

So, lets start with our first question, which chicken weight is the least?

To answer this, all we have to do is read through the table, and find the <u>smallest</u> number.

We see that 5 is the smallest number on the graph, as seen in the first image I attached below :3

So the answer to the first question is 5g is the smallest weight(we add the g at the end because the unit of measurement is in grams(g).)

Now we have question 2. How can we go about answering this?

We go through each weight in the chart, and tally up how many are <u>below 10 grams</u>.

After looking at each of the 16 weights, we see that 6, 7, and 5 are the 3 weights that are less than 10. We can see this in the second image I attached below.

So your two answers are:

Question #1 = <u>5 grams</u>

Question #2 = <u>3 of the weights</u>

Hope this helps! :3

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amid [387]
Great Job! they are all correct.  :)


Good luck in your next tests.
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3 years ago
The mean per capita income is 15,451 dollars per annum with a variance of 298,116. What is the probability that the sample mean
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Answer: 0.5467

Step-by-step explanation:

Let X be the random variable that represents the income (in dollars) of a randomly selected person.

Given : \mu=15451

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z-score : \dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

To find the probability that the sample mean would differ from the true mean by less than 22 dollars, the interval will be

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z=\dfrac{15473-15451}{\dfrac{546}{\sqrt{350}}}\approx0.75

The required probability :-

P(15429

Hence, the required probability is 0.5467.

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