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Art [367]
3 years ago
6

Help me please and thank you !

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0
The answer is <em>B, f(x) = -4x
</em>
<em />This is because all of the outcomes are the x values times -4. <em>
</em>
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The weights of steers in a herd are distributed normally. The variance is 40,00040,000 and the mean steer weight is 1400lbs1400
Alex777 [14]

Answer:

P(1739

(Correct to 4 decimal places)

Step-by-step explanation:

The probability of a continuous normal variable X found in a particular interval [a, b] is the area under the curve bounded by x=a and x=b and is given by:

P(a

where

f(X)=\frac{1}{\sigma \sqrt{2 \pi} }e^{-\frac{1}{2} (\frac{x-u}{ \sigma} )^2}



f(X)=\frac{1}{200 \sqrt{2 \pi} }e^{-\frac{1}{2} (\frac{x-1400}{ 200} )^2}\\=\frac{1}{200 \sqrt{2 \pi} }e^{- \frac{(x-1400)^2}{ 80000}\\

P(1739

P(1739

Using a calculator,

P(1739

5 0
3 years ago
Read 2 more answers
There is a pair of parallel sides in the following shape.<br><br> What is the area of the shape?
Mama L [17]

Answer:

The given shape is Trapezium

Area of Trapezium= 1/2h(L1+L2)

=1/2×7×(11+3

=1/2×7×14

=49

Your answer is 49

3 0
2 years ago
Where does the wraps intersect each other? <br> Y=-x+1 and <br> Y=3x+5
lora16 [44]
(-1,2) is where it will intersect
7 0
4 years ago
What is the value of the expression below?<br> 72 ÷ 4.5x3+8
Fofino [41]

Answer:

56

Step-by-step explanation:

Apply PEMDAS:

72 / 4.5*3+8\\\\16*3+8\\\\48+8\\\\\boxed{56}

4 0
3 years ago
1 1\4x2 1\5 ≤ ≥ = 5\6 x 2 1\5
ValentinkaMS [17]

Answer:

≥

Step-by-step explanation:

1 1\4x2 1\5 = 2 3/4

5/6 x 2 1/5 = 1 5/6

7 0
3 years ago
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