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Lerok [7]
3 years ago
5

Your company produces electrical components for a government project that are normally distributed with a mean frequency of 200

MHz and a variance of 9 MHz. The government accepts product that falls between 195.500 MHz and 204.935 MHz. What percent of our product will be acceptable to the government? Note that if Z is a standard normal random variable P(Z < −1.645) ≈ 0.05 P(Z < −1.5) ≈ 0.067

Mathematics
1 answer:
timurjin [86]3 years ago
5 0

Answer: 84.4%

Step-by-step explanation:

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3. A large fruit dish with a 36 in. diameter is placed in the center of a banquet across and is completely filled with apples. T
Serga [27]

Answer:

a) 11%

b) 56%

Step-by-step explanation:

a) A= πr^2    6^2π= 36π    A= 18^2π = 324π

36π/324π = .111111111111111111111111 or 11%

remember to cancel out the pi symbols when you are showing your work

(put a line across the pi symbols when dividing)

b)   A= πr^2         18^2 π = 324π

     A= πr^2          12^2π = 144π  

              324 – 144  = 180

180π/324π = .5555555555555555555555556 or 56%

remember to cancel out the pi symbols when you are showing your work

(put a line across the pi symbols when dividing)

3 0
3 years ago
a father is twice as old as his son. 20 yrs ago the father was four times as old as his son. find their present ages
Roman55 [17]

Answer:

son's present age = 30

father's present age=60

Step-by-step explanation:

his son's present age = x years

his father's present age = 2x years

before 20 years his son's age=(x-20) years

before 20 years father's age=(2x-20) years4(x-20)=(2x-20)

4x-80=2x-20

4x-2x=80-20

2x=60

x=30

5 0
2 years ago
Review Guide #3 16-27
34kurt

Answer:

-11

Step-by-step explanation:

4 0
3 years ago
For the given functions f and g, find the indicated composition:
mihalych1998 [28]

Answer:  x

<u>Step-by-step explanation:</u>

  g(x) = 4x + 10     f(x) =\frac{x - 10}{4}  

to find g(f(x)), replace "x" in the g(x) equation with what f(x) equals.  Another way of writing g(f(x)) for this problem is: g(\frac{x - 10}{4}).  

g(f(x)) = 4(\frac{x - 10}{4}) + 10

          = x - 10 + 10

          = x


3 0
3 years ago
5 ^ 3 + 1/2 ^ 2. <br> I need help.
sineoko [7]

Answer:

125.25

Step-by-step explanation:

5 cube =125

1/2=0.5

0.5 squared =0.25

125+0.25=125.25

5 0
3 years ago
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