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kondaur [170]
3 years ago
14

A manufacturer inspects 400 personal video players that 397 of the have no defects. The manufacturer sent a shipment of 1,500 vi

deo playes to a distributor. Predict the number of players in the shipment that are likely to have no defects
Mathematics
1 answer:
Paraphin [41]3 years ago
3 0
At least 15% of the players in the shipment will have no defects
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The circumference of a circle can be found using the formula C = 2r. Which is an equivalent equation solved for r? r = C r = C(2
vaieri [72.5K]

Answer:

r equals StartFraction C Over 2 pi EndFraction

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=2\pi r

where

r is the radius of the circle

Solve for r

That means -----> isolate the variable r

Divide by 2π both sides

\frac{C}{2\pi}=\frac{2\pi r}{2\pi}

Simplify right side

\frac{C}{2\pi}=r

Rewrite

r=\frac{C}{2\pi}

so

r equals StartFraction C Over 2 pi EndFraction

5 0
3 years ago
Read 2 more answers
-2j < -14
Novay_Z [31]

Step-by-step explanation:

-2j < -14

Divide both sides by -2:

j > 7. (D)

7 0
3 years ago
Read 2 more answers
During a recent drought, a water utility in a certain town sampled 100 residential water bills and found out that 73 of the resi
ankoles [38]

Answer:

(0.6430, 0.8170)

Step-by-step explanation:

Given that during a recent drought a water utility in a certain town sampled 100 residential water bills and found out that 73 of the residences had reduced their water consumption over that of the previous year.

Sample size n = 100

Sample proportion p = \frac{73}{100} =0.73

q = 1-p = 0.23

Std error of proportion = \sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.73*0.27}{100} } \\=0.04440

95% Z critical value = 1.96

Margin of error = 1.96*0.0444 = 0.0870

Confidence interval = sample proportion ±margin of error

0.642983946

0.817016054

(0.6430, 0.8170)

4 0
3 years ago
Can someone help me with these two
LenaWriter [7]

Answer:

The first equation answer is 10

And the second one 6

Step-by-step explanation:

The first equation

2/5 x +3= 2/3x +1/3

2x + 15/5 = 6x+3/9 the cress cross

9(2x + 15) = 5(6x + 3)

18x + 135 = 30x +15

135-15 = 30x - 18x

120 = 12x

120/12 =12x/12

10 = x

X =10

The second one

-2.6b +4 =0.9b - 17

-2.6b - 0.9b = - 17 - 4

-2.6b + (-0.9b) = - 17 + (-4)

-3.5b = - 21

-3.5b/-3.5 = - 21 /-3.5

B= 6

4 0
3 years ago
What is 6/12 as a decimal yall?
Anna71 [15]

6/12 in decimal form is .5 because 12/6

8 0
3 years ago
Read 2 more answers
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