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3 years ago

15.624 as a fraction

Mathematics

2 answers:

Fittoniya [83]3 years ago

8 0

15 624/1000 is it supposed to be sipplified?

slavikrds [6]3 years ago

3 0

Answer:

15 $\frac{624}{1000}$ or 15 $\frac{78}{125}$ simplified

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

Which of the following statements is true?

Murrr4er [49]

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3 years ago

What is 25% as a decimal

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3 years ago

Read 2 more answers

Complete parts (a) through (c) below.

Yuki888 [10]

Answer:

a) $t_{crit}= 1.34$

b) $t_{crit}=-2.539$

c) $t_{crit}=\pm 2.228$

Step-by-step explanation:

Part a

The significance level given is $\alpha=0.1$ and the degrees of freedom are given by:

$df = n-1= 15$

Since we are conducting a right tailed test we need to find a critical value on the t distirbution who accumulates 0.1 of the area in the right and we got:

$t_{crit}= 1.34$

Part b

The significance level given is $\alpha=0.01$ and the degrees of freedom are given by:

$df = n-1= 20-1=19$

Since we are conducting a left tailed test we need to find a critical value on the t distirbution who accumulates 0.01 of the area in the left and we got:

$t_{crit}=-2.539$

Part c

The significance level given is $\alpha=0.05$ and $\alpha/2 =0.025$ and the degrees of freedom are given by:

$df = n-1= 11-1=10$

Since we are conducting a two tailed test we need to find a critical value on the t distirbution who accumulates 0.025 of the area on each tail and we got:

$t_{crit}=\pm 2.228$

4 0

3 years ago

an item that was selling for $72 is reduced to $60 find the percent decrease in price round your answer to the nearest tenth of

lyudmila [28]

The amount of decrease is $12.00 :$72.00 - $60.00 = $12.00

you then divide the amount of decrease by the original price to find the percent decrease:

$12.00 ÷ $72.00 = .166666... = 16.7%

4 0

3 years ago