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3 years ago

9

A quality control inspector examined 200 light bulbs and found 16 defective . At this rate how many decfective bulbs would there

be in a lot of 22000 bulbs?

1 answer:

blondinia [14]3 years ago

7 0

Ur answer is 1650 bulbs hope it helped

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Heather is using a computer program to make a design using triangles . there is 1 triangle on the first row, 4 triangles in the

ValentinkaMS [17]

Step-by-step explanation:

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3 years ago

-22+0.3z=3-0.5z-0.8z

tatiyna

Isolate the variables. z= 15.625

4 0

4 years ago

Read 2 more answers

Multiple the following <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B18%7D%7B15%7D%20%20%5Ctimes%20%20%5Cfrac%7B25%7D%7B12%

Anika [276]

Answer:

5/2

Step-by-step explanation:

(18/15)*(25/12)=(18*25)/(15*12)=450/180=5/2

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3 years ago

The parallax of the red giant Betelgeuse is just barely measurable and has a value of about 0.005 arc seconds. What is its dista

mars1129 [50]

Answer: Distance = 200 parsec

The Limit = 80 parsec to 320 parsec

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4 years ago

The average thickness of books on a library shelf is 8.3 centimeters. The standard deviation is 0.6 centimeter. If 20% of the bo

jeka57 [31]

Answer:

8.8 cm

Step-by-step explanation:

-We know that the top 20% of the books are oversized.

-We therefore find the z-value of the top 20%:

$z_{0.1}=8.4$

#We substitute the z value in formula to solve X.

$z=\frac{\bar X-\mu}{\sigma}$

Where

X is the minimum thickness of the book.

-Given $\sigma=0.6 \ , \mu=8.3$ , the minimum thickness,X can be calculated as follows:

$z=\frac{\bar X-\mu}{\sigma}\\\\0.84=\frac{\bar X-8.3}{0.6}\\\\\bar X=0.84\times 0.6+8.3\\\\=8.804\approx 8.8\ cm$

Hence, the minimum thickness of the oversized books is 8.8 cm

3 0

4 years ago