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s344n2d4d5 [400]
2 years ago
7

A machine has three components A, B and C. The probability of A working is 7/10. If A is working, the probability of B working i

s 1/3 . If A is not working, then the probability of B working is 1/3. If A and B are working, the probability of C working is 5/6, otherwise it is 1/10 . The machine only works if C is working
Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
8 0

Answer:

false

Step-by-step explanation:

what is the question

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What is the answer?​
Mrrafil [7]

Answer:

53°

Step-by-step explanation:

The angle that measures 143 is vertical to the right angle and the ? angle.

Vertical angles have the same measure. <? + <90 = <143

So do 143 - 90 = 53

So the ? angle = 53

Hope this helps ya!!

6 0
3 years ago
The average daily rainfall for the past week in the town of Hope Cove is normally distributed, with a mean rainfall of 2.1 inche
natita [175]

Answer:

D

Step-by-step explanation:

We calculate the z-score for each

Mathematically;

z-score = (x-mean)/SD

z1 = (1.9-2.1)/0.2 = -1

z2 = (2.3-2.1)/0.2 = 1

So the proportion we want to calculate is;

P(-1<x<1)

We use the standard score table for this ;

P(-1<x<1) = P(x<1) -P(x<-1) = 0.68269 which is approximately 68%

6 0
2 years ago
Multiply:<br><br> (-4 + i)(-1 + 5i)
Olegator [25]

Answer:

( - 4 + i) ( - 1 + 5i) \\  = 4 - 20i - 1i + 5 {i}^{2}  \\  = 4 - ( -21i )+ 5i {}^{2}

3 0
3 years ago
What is 392,153 to the nearest hundred
Airida [17]
392,200 because the 5 makes the 1 round up to 2 so it’s 392,200
3 0
2 years ago
Read 2 more answers
Geometry! Easy! Full points! One question!
Anon25 [30]

Answer: 144 inches squared

Step-by-step explanation:

10x12=120

6x8x0.5=24

120+24=144

5 0
3 years ago
Read 2 more answers
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