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Inessa05 [86]
3 years ago
9

I don’t understand because it confused me

Mathematics
1 answer:
tamaranim1 [39]3 years ago
7 0
Smaller and higher
Is the answer hope it helps if you are still confused ask
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Four percent of the welds on an automobile assembly line are defective. The defective welds are found using an X-ray machine. Th
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Answer:

a ) See Annex

b) P₁  =  0,0464       or    P₁  =  4,64 %

c) P₄  = 0,92   or   P₄  = 92 %

Step-by-step explanation:

b) P₁ [ X being defective ]  =  P₂   +   P₃

Where P₂  is the probability of X rays machine detects a weld defective and the weld is really defective

And  P₃  is the probability of X rays machine detects a weld defective and the weld is not defective

Then

P₂  =  0,04 *  0,92  =  0,0368

P₃  =  0,96 * 0,01  = 0,0096

Then  P₁  =  0,0368  +  0,0096

P₁  =  0,0464       or    P₁  =  4,64 %

c) P₄ = 0,04 *0,92

P₄  = 0,92   or   P₄  = 92 %

7 0
3 years ago
Can you help me on unmber 2 or 3 Plzz show work
NikAS [45]

Step-by-step explanation:

In,

Question 2 I have already answered,

Q. 3)

<h3><em><u>Given</u></em><em><u> </u></em><em><u>Question</u></em><em><u>:</u></em></h3>

\frac{ {c}^{2} }{d}

<em><u>Given</u></em><em><u> </u></em><em><u>values</u></em><em><u>:</u></em><em><u>-</u></em>

c = 6 , d = 3

<em><u>By</u></em><em><u> </u></em><em><u>putting</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>values</u></em><em><u> </u></em><em><u>in</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>question</u></em><em><u>, </u></em>

\frac{ {6}^{2} }{3}

=  \frac{36}{3}

= <em><u>12 (Ans)</u></em>

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3 years ago
What are significant numbers? please explain?
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Non zero digits are always significant. any zeros between two significant digits are significant. a final zero or trailing zero in the decimal portion only are significant.
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please calculate the volume of the cylinder below. use 3.14 as approximation for Pi. (MIDDLE SCHOOL MATH)​
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the answer is V≈254.47

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