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Karo-lina-s [1.5K]
3 years ago
8

Help Please!!!!!!!!!!!

Mathematics
1 answer:
Semmy [17]3 years ago
8 0
You do copies divided by minutes

360/30=12

the printer produces 12 pages per minute
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Assume that the probability of a defective computer component is 0.02. Components arerandomly selected. Find the probability tha
solmaris [256]

Answer:

0.0177 = 1.77% probability that the first defect is caused by the seventh component tested.

The expected number of components tested before a defective component is found is 50, with a variance of 0.0208.

Step-by-step explanation:

Assume that the probability of a defective computer component is 0.02. Components are randomly selected. Find the probability that the first defect is caused by the seventh component tested.

First six not defective, each with 0.98 probability.

7th defective, with 0.02 probability. So

p = (0.98)^6*0.02 = 0.0177

0.0177 = 1.77% probability that the first defect is caused by the seventh component tested.

Find the expected number and variance of the number of components tested before a defective component is found.

Inverse binomial distribution, with p = 0.02

Expected number before 1 defective(n = 1). So

E = \frac{n}{p} = \frac{1}{0.02} = 50

Variance is:

V = \frac{np}{(1-p)^2} = \frac{0.02}{(1-0.02)^2} = 0.0208

The expected number of components tested before a defective component is found is 50, with a variance of 0.0208.

5 0
2 years ago
I need help I don’t understand
aleksklad [387]
<h3><em>1) 0.7</em></h3><h3><em>2) 0.42</em></h3><h3><em>3) 0.25</em></h3><h3><em>4) 0.375</em></h3><h3><em>5) 0.33</em></h3><h3><em>6) 0.071</em></h3><h3><em>7) 0.775</em></h3><h3><em>8) 0.775</em></h3><h3><em>9) 0.682</em></h3><h3><em>10) 0.791</em></h3><h3><em>HOPE IT HELPS !!!</em></h3>

7 0
3 years ago
Jessica weighed her dog at the end of each month for three months. At the end of the first month, her dog gained 12.48 pounds. A
uranmaximum [27]

Answer:59.39pounds

Step-by-step explanation:

Because you add 26.34+20.57+12.48 and then you will he 59.39points

6 0
3 years ago
To determine the number of square centimeters in 8 square inches, multiply 8 by 6.45. true false
liraira [26]
The answer would be true

8 0
3 years ago
Read 2 more answers
Jesse is not allowed to work more than 20 hours each week at his part time job . He has already worked 4 hours this week. The in
Drupady [299]

Been a bit since i’ve done this kind of problem.

X+4=20

X is the number of hours needed to work, while 4 is the hours already there.

8 0
3 years ago
Read 2 more answers
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