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luda_lava [24]
3 years ago
7

Your perform a chi^2 goodness-of-fit test to see if the number of birthdays occurring each month matches the expected number (as

suming each month is equally likely to be the birth month for any given individual). You get 20.5 as your chi^2 value what is the p-value for this test?
A. 0.025 < p < 0.05
B. 0.05 < p < 0.10
C. Can't determine p-value without access to the data from which this statistic was computed
D. 0.10 < p < 0.15
Mathematics
1 answer:
kirill115 [55]3 years ago
8 0
I would put b I think it’s right I’m sorry if it isn’t
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It takes Wayne 1/10 hours to walk a 1/6 mile park loop. What is Wayne's unit rate, in miles per hour
olchik [2.2K]
To solve this problem, we should set up a proportion, letting x represent our unknown number of miles that Wayne walks in one hour.

1/6 mile / 1/10 hours = x miles / 1 hour

Now we use cross-products or the multiplication of the numerator of one fraction times the denominator of the other fraction, setting these two numbers equal.  The resulting equation is:

1/6 = 1/10x

Finally, we must divide both sides by 1/10 to cancel it out on the right side of the equation and get the variable x alone.

x = 5/3 or 1 2/3

Therefore, Wayne walks 1 2/3 miles per hour.
5 0
3 years ago
I need help on this question
Serggg [28]
A = 18
You need to
Multiply both sides of the equation
- 3/2 x (-2/3) x a = - 3/2 x - 12
Then simplify both sides
a = - 3/2 x 12
Simplify
-3/2 x -12
a = -3 x -6
Multiply -3 by -6
Answer: a = 18
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3 years ago
The profits earned in a year by some companies in a city are shown below:
bekas [8.4K]
Median, because there is an outlier that affects the mean
3 0
3 years ago
The tangent ration! helpp!!
Vitek1552 [10]

Answer:

13.5

Step-by-step explanation:

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20 × tan34° = x , then

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7 0
3 years ago
Find two consecutive even integers such that the square of the second, decreased by twice the first is 52
Fiesta28 [93]

Let the first integer be x. So, the next even number is x+2

Let's translate the formula: the square of the second is (x+2)^2, twice the first is 2x. So, the equation is

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Expand the square to get

x^2+4x+4-2x = 52 \iff x^2+2x+4 = 52 \iff x^2+2x - 48 = 0

The solutions to this equations are

x = -8,\quad x = 6

So, the possible consecutive even numbers are

-8\text{ and } -6\quad\text{or}\quad 6\text{ and } 8

8 0
3 years ago
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