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3 years ago

Help me please i need answer

Mathematics

2 answers:

marishachu [46]3 years ago

5 0

Answer: 57.75 m

Explanation: First do 5 times 0.25. (The 0.25 is the same as 1/4.) Now take that answer and multiply it by 11. Your equation should look like this: 11*(5 1/4).

* = times

I hope this helps! :)

liq [111]3 years ago

4 0

<h2>★<u>Answer</u></h2><h3> $\mathscr{\:Area \: Of \: Rectangle = l \times b}$ </h3><h3> $Here, \\ l = 11m \\ b = 5 \frac{1}{4} \\ = \frac{21}{4}$ </h3><h3> $\dashrightarrow \: Area = 11 \times \frac{21}{4} \\ = 57.75$ </h3><h3>Hence, The Answer is 57.75.</h3>

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2 years ago

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4 years ago

A simple random sample of size nequals40 is drawn from a population. The sample mean is found to be 103.9, and the sample stand

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There is enough evidence to support the claim that the population mean is greater than 100

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<u>Step 1</u>: We state the hypothesis and identify the claim

$H_0:\mu=100$ and $H_1:\mu \:>\:100$ (claim)

<u>Step 2</u>: Calculate the test value.

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<u>Step 4</u>: We fail to reject the null hypothesis since P-value is greater that the alpha level. (0.134>0.05).

<u>Step 5</u>: There is enough evidence to support the claim that the population mean is greater than 100.

<u>Alternatively</u>: We could also calculate the critical value to obtain +1.685 for $\alpha=0.05$ and d.f=39 and compare to the test-value:

The critical value (1.685>1.126) falls in the non-rejection region. See attachment.

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