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mr_godi [17]
3 years ago
15

What's 1207 divide by 7

Mathematics
2 answers:
Vikentia [17]3 years ago
8 0
1207 divided by 7 is equal to 172.4286
wlad13 [49]3 years ago
8 0
It is
172.4 im pretty sure


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Using traditional methods it takes 107 hours to receive an advanced flying license. A new training technique using Computer Aide
Degger [83]

Answer:

B. There is not sufficient evidence at the 0.02 level of significance that the new technique reduces training time.

Step-by-step explanation:

We are given that using traditional methods it takes 107 hours to receive an advanced flying license.

A researcher believes the new technique may reduce training time and decides to perform a hypothesis test.

Let \mu = <u><em>average training time to receive an advanced flying license</em></u>

So, Null hypothesis, H_0 : \mu \geq 107 hours     {means that the new technique doesn't reduce training time}

Alternate Hypothesis, H_A : \mu < 107 hours     {means that the new technique may reduce training time}

Now, it is stated that after performing the test on 50 students, the researcher decides to reject the null hypothesis at a 0.10 level of significance.

As we know that if the test statistics value is rejected at a 10% level of significance, then it must not be rejected at the 0.02 level of significance.

This means that there is not sufficient evidence at the 0.02 level of significance that the new technique reduces training time because our null hypothesis has not been rejected.

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3 years ago
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7 0
1 year ago
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Ella takes 1 3/5 hours to complete a painting. Holly takes 3/4 of the time that Ella takes. How long will Holly take to complete
Misha Larkins [42]
1. you have to figure out what 3/4 of Ella's time is.
1 \frac{3}{5}  =  \frac{8}{5}
(You find that out by multiplying 5x1. Then add 3.)
2. Convert the fractions into decimals. (This will help make it easier when dividing.)
\frac{8}{5}  = 8 \div 5 = 1.6
\frac{3}{4}  = 3 \div 4 = .75
3. Next you are going to divide 1.6 by .75
1.6 \div .75 = 2.13
4. Now multiple 2.13 by 5.
2.13 \times 5 = 10.65
Answer is 10

3 0
3 years ago
Solve and/or check.<br><br> |20x| = |4x + 16|
AfilCa [17]

Answer:

<h2>x=1</h2>

Step-by-step explanation:

|20x|=|4x+16|

or, 20x-4x=16

or, 16x=16

Hence, x=1

7 0
2 years ago
One way to measure self-discipline is the $1-now or $2-later test (which the researchers call the Delay Choice Task) in which we
denis23 [38]

Answer:

A. This study is an experiment, since it was based on a random sample.

Step-by-step explanation:

Simple random sampling is a probabilistic sampling procedure that gives each element of the target population and each possible sample of a given size the same probability of being selected.

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3 years ago
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