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Andru [333]
3 years ago
10

A train travels at a speed of 65 miles per hour. How long did it take the train to travel 227.5 miles?

Mathematics
1 answer:
ololo11 [35]3 years ago
6 0

Answer:

3.5 hours

Step-by-step explanation:

227.5÷65=3.5

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1/4 and 2/5 as a ratio simplest form
Anestetic [448]

Answer:2/16

Step-by-step explanation:

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2 years ago
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13.4×0.05×1.8= I think I got this right just wanna,make sure
andrew-mc [135]

Answer:1.206 is what i got


Step-by-step explanation:


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3 years ago
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Excel computes a two‑sample confidence interval for the difference in proportions just as well and as easily as Minitab and othe
True [87]

Answer:

See ecplanation below

Step-by-step explanation:

False.

On the Data analysis tool from excel we can conduct the following procedures:

Anova: Single Factor

Anova: Two factor with replication

Anova: Two factor without replication

Correlation

Covariance

Descriptive statistics

Exponential smoothing

F-test Two sample for Variances

Fourier analysis

Histogram

Moving Average

Random number generation

Rank and percentile

Regression

Sampling

t test: Paired two sample for means

t tes: Two sample assuming equal variances

t test: Two sample Assuming Unequal Variances

z test: Two sample for means

And as we can see we don't have an specific procedure just to obtain confidence interval for the difference of proportions. We need to remember that if we select a z test in excel, for example the output will contain the confidence associated to the parameter, but for this case is not too easy obtain a confidence interval for the difference of proportion like on a statistical software as (Minitab, R, SAS, etc) since all of these statistical softwares are elaborated in order to conduct all the possible statistical tests and confidence intervals for parameters of interest.

5 0
3 years ago
Of
jasenka [17]

Answer:

3.6 mph

Step-by-step explanation:

The total distance was 6 mi. and the total time was 5/3 hr.

6 ÷ 5/3 = 6(3/5) = 18/5 = 3.6 mph

6 0
3 years ago
True or false? To begin an indirect proof, you assume the converse of what you intend to prove is true.
djyliett [7]

Answer:

The statement is false.

Step-by-step explanation:

To begin an indirect proof, you assume the converse of what you intend to prove is true. This is false.

Rather the correct answer is that to begin an indirect proof, you assume the inverse of what you intend to prove is true.

The converse can be either true or false, depending on what the original statement is, so assuming the converse is pointless.

4 0
4 years ago
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