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Hatshy [7]
3 years ago
8

If some could answer A-I please. thank you.​

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
5 0

Step-by-step explanation:

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To test for the significance of a regression model involving 14 independent variables and 255 observations, the numerator and de
Gnom [1K]

Answer:

d). 14 and 240

Step-by-step explanation:

According to the Question,

  • Given that,  The regression model involving 14 independent variables and 255 observations

We need to find out the numerator and denominator freedom degrees ,

k = 14 regression variable

= n - k - 1

= 255 - 14 - 1

= 240 residuals

df=14,240

  • Now The degree of freedom for F-critical is

F_{k,n-k-1}=F_{14,240}

So, The df of the numerator is 14 and df of the denominator is 240

7 0
3 years ago
I’ll give someone brainliest if they answer this I got them wrong unfortunately
Marrrta [24]

Answer:

6j6j

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
In a box 25 cards are there and 1 to 25 numbers are written on them. one card is drawn randomly. what is the probability that it
tensa zangetsu [6.8K]

<u>Explanation </u><u>:</u>

<u>Given that:</u>

  • In a box 25 cards are there and 1 to 25 numbers are written on them.

  • • One card is drawn randomly.

<u>To Find:</u>

  • • What is the probability that it is multiple of 5.

<u>We know that:</u>

P(E)= F/T

<u>Where,</u>

P(E)= Probability of an event

• F= Favourable outcomes . T = Total outcomes

<u>We have:</u>

F = Number of cards which are multiple of 5

Cards having the number 5, 10, 15, 20, 25 are the multiples of 5.

So, F = 5

T = Total number of cards

• T = 25

P(F) The probabilityP(E) = The probability that it is multiple of 5

Finding the probability that it is multiple of 5:

  • P(E)= 5/25

  • P(E)=1/5

<u>Hence,</u>

The probability that it is multiple of 5 is ⅕

6 0
3 years ago
The ratio of M &amp; M’s to raisins in a bag of trail mix is 3:5. If there are 36 M &amp; M’s, how many raisins are there?
Iteru [2.4K]
The correct answer is 60 raisins.  To get this answer you will write a proportion of M & Ms to raisins and create and equivalent ratio using the number 36.  

After you have the proportion set up, you will use cross products to solve for the number of raisins.

You can also use equivalent ratios to find the number of raisins.  

Both of these strategies are shown in the attached picture.

4 0
3 years ago
2. If ¡2x+3 = i, where i = V-1, then which of the
Alexus [3.1K]

I assume you mean the equation

i^{2x+3} = i

Since i = √(-1), we have i⁴ = 1 and so i⁵ = i. Then 2x + 3 must be some multiple of 5.

Now just check for which of the given choices that this holds:

x = 16   ⇒   2x + 3 = 35   (yes)

x = 11   ⇒   2x + 3 = 25   (yes)

x = 10   ⇒   2x + 3 = 23   (no)

x = 14   ⇒   2x + 3 = 31   (no)

6 0
2 years ago
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