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ivolga24 [154]
3 years ago
8

I need help to answer these questions

Mathematics
1 answer:
mote1985 [20]3 years ago
5 0
The pic not clear !!! Retake pic
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A TV set contains five circuit boards of type A, five of type B, and four of type C. The probability of failing in its first 500
nekit [7.7K]

Answer:

0.903264

Step-by-step explanation:

Given that a TV set contains five circuit boards of type A, five of type B, and four of type C. The probability of failing in its first 5000 hours of use is 0.03 for a type A circuit board, 0.04 for a type B circuit board, and 0.03 for a type C circuit board.

Let A' = the event that A fails, B' =  B fails and C'= C fails.

Probability that no circuit board fails = Prob (A'B'C')

= P(A')P(B')P(C')  (since A,B, C are independent, their complements are independent

= (1-0.03)(1-0.04)(1-0.03)

= 0.903264

8 0
3 years ago
Which is a prime number<br>a.67<br>b.65<br>c.63<br>d.60
juin [17]
The answer is 67 :)))
4 0
3 years ago
Read 2 more answers
Solve for x. (x - 4)(x - 4) = 0
statuscvo [17]
I believe that x=4 would be the answer
5 0
3 years ago
Read 2 more answers
What is the slope of a line that is parallel to the line y = 3/4 + 2?
Elodia [21]
3/4 because it’s parallel so it has the same slope. It just doesn’t pass through the same line.
7 0
3 years ago
What is the midpoint of the segment shown below (-11,0) (9,-1)
marissa [1.9K]

Answer:

(-1, -1/2)

Step-by-step explanation:

M= (Xa+Xb/2, Ya + Yb/2)


M= -11+9/2  ,  0 + -1/2

M = -2/2, -1/2

M=(-1, -1/2)

6 0
3 years ago
Read 2 more answers
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