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PolarNik [594]
3 years ago
9

You believe the population is normally distributed and you know the standard deviation is σ = 6.9 σ = 6.9 . You obtain a sample

mean of M = 64.4 M = 64.4 for a sample of size n = 32 n = 32 . What is the critical value for this test?
Mathematics
1 answer:
kaheart [24]3 years ago
8 0

The critical values is 16

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The sum of three consecutive even numbers is 114. what is the smallest of the three numbers?​
saul85 [17]

Answer:

36

Step-by-step explanation:

Let's let n be any number.

If we multiply n by 2, we get 2n. Since anything multiplied by 2 is even, 2n <em>must</em> be even. Therefore, let 2n be our first number.

So, the consecutive even number will be (2n+2) followed by (2n+4).

We know that their sum must be 114. Therefore, we can write the following equation:

(2n)+(2n+2)+(2n+4)=114

Solve for n. Combine like terms on the left:

6n+6=114

Subtract 6 from both sides:

6n=108

Finally, divide both sides by 6. Therefore, the value of n is:

n=108/6=18

Therefore, our first even number is 2n or 2(18) which equates to 36.

And the consecutive even numbers will be 38 and 40.

So, the smallest of them, the first term, is 36.

4 0
3 years ago
Read 2 more answers
I need help please!!!!
Luba_88 [7]
The first two is wrong, the last two is one of the right ones, I think it’s c
3 0
3 years ago
Can someone helllllppp me on 5 more problems like this n I’ll give u 20 dollars in cashapp plzzz I’m being serious
Vlada [557]

Answer:

y = x - 5

Step-by-step explanation:

\rm Solve \:  for  \: y: \\  \rm \longrightarrow  x  - y= 5 \\  \\  \rm Subtract  \: x  \: from  \: both \:  sides: \\  \rm \longrightarrow x - y - x = 5 - x \\ \\   \rm \longrightarrow -y = 5 - x \\  \\  \rm Multiply \:  both  \: sides  \: by  \: -1: \\  \rm \longrightarrow  - y \times ( - 1) = (5 - x) \times ( - 1) \\  \\  \rm \longrightarrow y = x - 5

5 0
3 years ago
Simplify the expression.<br> 11(32 + 5x) + 4x - x
alex41 [277]

Answer:

352+58x

Step-by-step explanation:

Distribute to get 352+55x+4x-x

Combine like terms to get 352+58x.

3 0
3 years ago
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What is the equation of the line that passes through the point (4.11) and is perpendicular to the line with the following equati
ollegr [7]

Answer:

the answer is A ..............

8 0
2 years ago
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