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Sergio039 [100]
2 years ago
8

You hike 1.2 miles west from a trailhead and then receive a text from a friend. She

Mathematics
1 answer:
alexira [117]2 years ago
5 0

Answer:

the answer is definitely 4

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HALP ASAP !!! 10 POINTS
Art [367]

Answer: a

reason:

if you take any of the numbers and plug it in it works

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3 years ago
From experience, it is known that on average 10% of welds performed by a particular welder are defective. if this welder is requ
bulgar [2K]
Binomial distribution can be used because the situation satisfies all the following conditions:1. Number of trials is known and remains constant (n)2. Each trial is Bernoulli (i.e. exactly two possible outcomes) (success/failure)3. Probability is known and remains constant throughout the trials (p)4. All trials are random and independent of the othersThe number of successes, x, is then given byP(x)=C(n,x)p^x(1-p)^{n-x}whereC(n,x)=\frac{n!}{x!(n-x)!}
Here we're given
p=0.10  [ success = defective ]
n=3

(a) x=0
P(x)=C(n,x)p^x(1-p)^{n-x}
=C(3,0)0.1^0(1-0.1)^{3-0}
=1(1)(0.729)
=0.729

(b) x=2
P(x)=C(n,x)p^x(1-p)^{n-x}
=C(3,2)0.1^2(1-0.1)^{3-2}
=3(0.01)(0.9)
=0.027

(c) x ≥ 2
P(x)=\sum_{x=2}^3C(n,x)p^x(1-p)^{n-x}
=P(2)+P(3)
=C(n,2)p^2(1-p)^{n-2}+C(n,3)p^3(1-p)^{n-3}
=C(3,2)0.1^2(1-0.1)^{3-2}+C(3,3)0.1^3(1-0.1)^{3-3}
=3(0.01)(0.9)+1(0.001)1
=0.027+0.001
=0.028


8 0
3 years ago
Lol we need the answer (-:
PolarNik [594]

Answer:184ft²

Step-by-step explanation:2(5×10)+2(4×6/2)+(6×10)

100+24+60=184

PLEASE MARK ME AS BRAINLIEST!!!

6 0
3 years ago
ANSWER ALL THE QUESTIONS IN THIS WORKBOOK.
777dan777 [17]

Answer:

i. 15, 18, 20, 20, 25

ii.

a) 19.6

b) 20

c) 20

d) 10

Step-by-step explanation:

8 0
3 years ago
Need help fast,please!
Elina [12.6K]

1) 3

2) 2

3) 7

4)5

5)5

6)9

7)4

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3 years ago
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