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4 years ago

Write the following amounts in numerals:

Mathematics

1 answer:

777dan777 [17]4 years ago

8 0

1. 41 3/100
2. 72/1,000
3. 5 8/10
4. 6 3/1,000
5. 100/2,000
6. 400/3,000
7. 2 2/100
8. 634/10,000

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Conduct the appropriate hypothesis test and compute the test statistic. A company that produces fishing line undergoes random te

andre [41]

Answer:

Option D) Yes, because the test statistic is -2.01

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 30 pound

Sample mean, $\bar{x}$ = 29.1 pounds

Sample size, n = 20

Alpha, α = 0.05

Sample standard deviation, s = 2 pounds

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 30\text{ pounds}\\H_A: \mu < 30\text{ pounds}$

We use one-tailed(left) t test to perform this hypothesis.

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$t_{stat} = \displaystyle\frac{29.1 - 30}{\frac{2}{\sqrt{20}} } = -2.012$

Now,

$t_{critical} \text{ at 0.05 level of significance, 19 degree of freedom } = -1.729$

Since,

$t_{stat} < t_{critical}$

We fail to accept the null hypothesis and reject it. We accept the alternate hypothesis. Thus, there were enough evidence to conclude that the fishing line breaks with an average force of less than 30 pounds.

Option D) Yes, because the test statistic is -2.01

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4 years ago

Kelly goes to the store and buys 9 boxes of cookies. The cost of each box is represented with the letter c. Which expression cou

MatroZZZ [7]

Answer:

9c because you don't know how much money Kelly actually spent so instead of doing 9 x the price of each box, you replace it with c, so it's 9c

Step-by-step explanation:

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3 years ago

If i divide 3/4 with 2/5 what would the answer be

Talja [164]

Answer:

The asnwer i fro 5/2 iss 2.5 and the other question is the answer is 1.3 is we add now is 3.8

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

3. Simplify: 13.6 - 4.1 - 3.8 + 6.7

Art [367]

Answer:

12.4 is the answer

=13.6+6.7-4.1-3.8

=20.3-7.9

=12.4

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3 years ago

Read 2 more answers

Can you help? thank you

algol [13]

Answer:

Step-by-step explanation:

To find f(4), find the point in the graph where x = 4 .

And if you look at the point where x = 4 ; y = 1 .

So the answer is : 1

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3 years ago