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ki77a [65]
4 years ago
7

The proportion of residents in Phoenix favoring the building of toll roads to complete the freeway system is believed to be p =

0.3. If a random sample of 10 residents shows that 1 or fewer favor this proposal, we will conclude that p < 0.3.
a. Find the probability of type I error if the true proportion is p = 0.3.
b. Find the probability of committing a type II error with this procedure if p = 0.2.
c. What is the power of this procedure if the true proportion is p = 0.2?
Mathematics
1 answer:
Stels [109]4 years ago
5 0

Answer:

b

Step-by-step explanation:

you first got twerk and this is workable because my wife left me for this reason

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Micro Knowledge sells 5 times as many computers as Morse Electronics. The difference in sales between the two stores is 20 compu
nika2105 [10]

Answer:

Morse electronics sells 5 computers

Micro knowledge sells 25 computers

Step-by-step explanation:

The computation is shown below:

Let us assume the morse electronics computer be x

So the micro knowledge computers be 5x

And, the difference between them is 20

Now the equation is

5 x - x = 20

4x = 20

x = 5

Hence, the morse electronics sells 5 computers

While on the other hand the micro knowledge sells

= 5 × 5

= 25 computers

7 0
3 years ago
Hey puddin could ya help me !?- What is the length of segment AB?
ycow [4]

Answer:

AB = 4\sqrt{5}

Step-by-step explanation:

Calculate AB using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = A(6, 2) and (x₂, y₂ ) = B(0, 10)

AB = \sqrt{(0-6)^2+(10-2)^2}

     = \sqrt{4^2+8^2}

    = \sqrt{16+64}

    = \sqrt{80} = 4\sqrt{5} ← exact length

4 0
3 years ago
Can y’all help me on question 33?!
Dima020 [189]
The answer is letter A
5 0
3 years ago
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Ed is parallel to ab..can someone help me with the proof towards this?
NemiM [27]

Answer:

Area_ACD = [AC*CD*sinC]/2

Area_BCE  = [BC*CE*sinC]/2

AC*CD = BC*CE (as Thales theorem AC/CE = BC/CD)

Then, Area_ACD = Area_BCE

7 0
3 years ago
Is 206 – 3x) + x equivalent to 2(3x) + x + 12?
klasskru [66]

Answer:

Step-by-step explanation:(206-3x)+x

2(3x)+x+12

ok as i think one no is statsfy this equation .

5 0
3 years ago
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