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Svetradugi [14.3K]
3 years ago
14

Can someone please help me

Mathematics
1 answer:
WITCHER [35]3 years ago
4 0

Answer:

if I am correct the answer should be 2

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How to find the depth of a triangle
Mrac [35]
<span>To find the area of a two dimensional triangle we multiply one half of the base width by the base height so lets start with finding the area of a two dimensional part of the triangular prism. </span>
6 0
3 years ago
Read 2 more answers
Suppose that 80% of all trucks undergoing a brake inspection at a certain inspection facility pass the inspection. Consider grou
Gwar [14]

Answer:

P=0.147

Step-by-step explanation:

As we know 80% of the trucks have good brakes. That means that probability the 1 randomly selected truck has good brakes is P(good brakes)=0.8 . So the probability that 1 randomly selected truck has bad brakes Q(bad brakes)=1-0.8-0.2

We have to find the probability, that at least 9 trucks from 16 have good brakes, however fewer than 12 trucks from 16 have good brakes. That actually means the the number of trucks with good brakes has to be 9, 10 or 11 trucks from 16.

We have to find the probability of each event (9, 10 or 11 trucks from 16 will pass the inspection) .  To find the required probability 3 mentioned probabilitie have to be summarized.

So P(9/16 )=  C16 9 * P(good brakes)^9*Q(bad brakes)^7

P(9/16 )= 16!/9!/7!*0.8^9*0.2^7= 11*13*5*16*0.8^9*0.2^7=approx 0.02

P(10/16)=16!/10!/6!*0.8^10*0.2^6=11*13*7*0.8^10*0.2^6=approx 0.007

P(11/16)=16!/11!/5!*0.8^11*0.2^5=13*21*16*0.8^11*0.2^5=approx 0.12

P(9≤x<12)=P(9/16)+P(10/16)+P(11/16)=0.02+0.007+0.12=0.147

7 0
3 years ago
Plzzzzzzzzzzzz help ASAP!!!!! :(
hram777 [196]
I believe it's the first one
4 0
3 years ago
Read 2 more answers
Gary’s is a small publishing company that publishes math books. The production costs include a one-time cost for editing the boo
sveta [45]
Y=20x -1500, y equals the prophet, x is the number of books, 20 is the money made after taking out the cost of production, 1500 is a cost that only occurs once.
5 0
3 years ago
Drag the numbers below to put them in order from least to greatest:
sesenic [268]

Answer:

-0.5 , -0.85 , -0.87 , -0.9 , -0.9 , -1.2 , -1.67, -1.67

Step-by-step explanation:

you put the LEAST negative numbers frist, then you work your way up!

4 0
2 years ago
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