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Mariulka [41]
2 years ago
12

What is 1/35 divided by 2 5/7? Please help!

Mathematics
1 answer:
11Alexandr11 [23.1K]2 years ago
8 0

Answer:

1/95

Step-by-step explanation:

2 5/7 = 19/7

1/35 divided by 2 5/7

1/35 ÷ 19/7

1/35 × 7/19

1 × 7/35 × 19

7/665 = 1/95

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10. A square is shown below. If the perimeter of the square is 97 inches, what is the value of x?
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x=3

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3 years ago
Please help me I need help
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Answer:

3.51

Step-by-step explanation:

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3 years ago
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Same thing as last. nearest 100th
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Answer:

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Step-by-step explanation:

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Since the area under the normal curve within two standard deviations of the mean is 0.95, the area under the normal curve that c
alukav5142 [94]

Answer:

X \sim N (\mu ,\sigma)

And for this case we know this condition:

P(\mu-2\sigma

By the complement rule we know that:

P(X< \mu -2\sigma \cup X>\mu +2\sigma) = 1-0.95=0.05

But since the distribution is symmetrical we know that:

P(X\mu +2\sigma) = 0.025

So then the statement for this case is FALSE.

b. False

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

For this case if we define the random variable of interest X and we know that this random variable follows a normal distribution:

X \sim N (\mu ,\sigma)

And for this case we know this condition:

P(\mu-2\sigma

By the complement rule we know that:

P(X< \mu -2\sigma \cup X>\mu +2\sigma) = 1-0.95=0.05

But since the distribution is symmetrical we know that:

P(X\mu +2\sigma) = 0.025

So then the statement for this case is FALSE.

b. False

5 0
3 years ago
What would be a good estimation of the correlation coefficient for the data displayed in the scatterplot?
Arte-miy333 [17]
My guess would be C but im not 100 sure
4 0
3 years ago
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