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DaniilM [7]
3 years ago
7

How do I answer this

Mathematics
1 answer:
solniwko [45]3 years ago
4 0

Answer:

can you put another screen shot its blurry on my end.

Step-by-step explanation:

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A manufacturing process makes rods that vary slightly in length but follow a normal distribution with mean length 25 cm and stan
Galina-37 [17]

Answer:

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22)  = 0.1251

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given mean of the Population = 25cm

Given standard deviation of the Population = 2.60

Let 'x' be the random variable in normal distribution

Given x=22

Z = \frac{x-mean }{S.D} = \frac{22-25}{2.60} = -1.15

<u><em>Step(ii):</em></u>-

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22) = P( Z<-1.15)

             = 1-P(Z>1.15)

             =  1-( 0.5+A(1.15)

             =  0.5 - A(1.15)

             = 0.5 - 0.3749

             = 0.1251

The probability of randomly selecting a rod that is shorter than 22 cm

P(X<22)  = 0.1251

7 0
3 years ago
If the area of sector AOC is 12π cm² and the measure of the radius is 6 cm, what is the measure of the central angle in radians?
ella [17]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
I’m still confused on how to work the percentages
Serjik [45]

Answer:

13 is your answer

Step-by-step explanation:

it's the biggest number and more students like cats

Hope this helps

God bless you

Have a great day

- Kayla :)

5 0
2 years ago
Read 2 more answers
Find the length of y
Nostrana [21]

Answer:

<em>25 cm</em>

Step-by-step explanation:

3 0
2 years ago
Solve the system of equations using the substitution method.
Galina-37 [17]

Answer:

x = y = -2

Step-by-step explanation:

Hope this helps

3 0
2 years ago
Read 2 more answers
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