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ratelena [41]
3 years ago
5

6 people share 4/5 pound of peanuts equally. What fraction of a pound of peanuts does each person receive?

Mathematics
1 answer:
Oxana [17]3 years ago
3 0
(4/5) / 6 =
4/5 * 1/6 =
4/30 =
2/15....each person gets 2/15 lb of peanuts
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vladimir1956 [14]
13a) y = 0.45x

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3 years ago
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Intellectual development (Perry) scores were determined for 21 students in a first-year, project-based design course. (Recall th
Anit [1.1K]

Answer:

The 99% confidence interval is (3.0493, 3.4907).

We are 99% sure that the true mean of the students Perry score is in the above interval.

Step-by-step explanation:

Our sample size is 21.

The first step to solve this problem is finding our degrees of freedom, that is, the sample size subtracted by 1. So

df = 21-1 = 20.

Then, we need to subtract one by the confidence level \alpha and divide by 2. So:

\frac{1-0.99}{2} = \frac{0.01}{2} = 0.005

Now, we need our answers from both steps above to find a value T in the t-distribution table. So, with 20 and 0.005 in the two-sided t-distribution table, we have T = 2.528

Now, we find the standard deviation of the sample. This is the division of the standard deviation by the square root of the sample size. So

s = \frac{0.40}{\sqrt{21}} = 0.0873

Now, we multiply T and s

M = 2.528*0.0873 = 0.2207

Then

The lower end of the interval is the mean subtracted by M. So:

L = 3.27 - 0.2207 = 3.0493

The upper end of the interval is the mean added to M. So:

LCL = 3.27 + 0.2207 = 3.4907

The 99% confidence interval is (3.0493, 3.4907).

Interpretation:

We are 99% sure that the true mean of the students Perry score is in the above interval.

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3 years ago
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GenaCL600 [577]

Answer:

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Step-by-step explanation:

7y - 63 = y + 3

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2 years ago
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sp2606 [1]

Answer:

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Step-by-step explanation:

Givenn:

Apple syrup : water = 2 : 3

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Sum of ratio = 2 + 3 = 5

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Litres of water :

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Trava [24]

Answer:

The graph is not a function

Step-by-step explanation:

Since the vertical line will pass through more than one point, the graph passes the vertical line test. Therefore, the relation Is Not a function

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