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Dmitry [639]
3 years ago
9

I need help with this please

Mathematics
1 answer:
lawyer [7]3 years ago
4 0

Answer:

its C you wanna know y

Step-by-step explanation:

because i had this same today

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Find the​ P-value for the indicated hypothesis test with the given standardized test​ statistic, z. Decide whether to reject H0
Leviafan [203]

Answer: We do not reject the null hypothesis.

Step-by-step explanation:

  • When the p-value is greater than the significance level , then we do not reject the null hypothesis or if p-value is smaller than the significance level , then we reject the null hypothesis.

Given : Test statistic : z = -2.28

Significance level : \alpha=0.02

By using the standard normal distribution table ,

The p-value corresponds to the given test statistic ( two tailed ):-

2P(Z>|z|)=2P(Z>2.28)=0.0226

Since the p-value is greater than the significance level of 0.02.

Then , we do not reject the null hypothesis.

8 0
4 years ago
What is 9.48 divided by 0.79
AysviL [449]
The answer is 12, hope this helps

3 0
3 years ago
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The area of the triangle below is 10.6 square centimeters. What is the length of the
CaHeK987 [17]

Answer:

6 cm

Step-by-step explanation:

The area of a triangle is \frac{bh}{2} = A, where b = base, h = height, and A = area. In this case, we're given the height as 4 cm and the area as 6 cm^2.

Let's plug in these values.

  • \frac{4b}{2} = 6

Now, let's solve this algebraically.

Step 1: Multiply both sides by 2.

  • \frac{4b}{2} * 2 = 6 * 2
  • 4b = 12

Step 2: Divide both sides by 4.

  • \frac{4b}{4} = \frac{12}{4}
  • b = 3

Step 3: Check if solution is correct.

  • \frac{3*4}{2} = 6
  • \frac{12}{2} = 6
  • 6 = 6

Therefore, the base is 6 cm. (but don't put the cm in the box because it's already there)

Have a lovely rest of your day/night, and good luck with your assignments! ♡

3 0
3 years ago
Calculator
gregori [183]

Answer:

9165.0

Step-by-step explanation:

13*94*7.5 = 9165.0

7 0
3 years ago
How many four-digit numbers can be created using the digits 0-9? Note: A number cannot be repeated for different digits.
Svetradugi [14.3K]
6,561 is the right answer but good luck
6 0
3 years ago
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