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Sav [38]
3 years ago
10

A. The probability that a product is defective is 0.1. What is the probability that there will be 1 or less defective products o

ut of the next 8 produced products
B.The expected number of imperfections in the coating nylon for parachutes is 6 per 100 yards. What is the probability of finding 12 or fewer imperfections in 260 yards

C.In a lot of 54 products there are 9 defective products. Calculate the probability that not more than 1 is defective from a random sample of 17 products.
Mathematics
1 answer:
zubka84 [21]3 years ago
4 0
Rude and bad service I was finna ask can you call the number and I tttt I was we
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If ƒ
SSSSS [86.1K]
(B)
if <em>f</em>(a) = K, then that means <em>f </em>sends (a) to (K). 
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8 0
2 years ago
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Ron's recycle shop had an old paper-shredding machine. Business was good, so he bought a new paper-shredding machine. The old ma
levacccp [35]

Answer: 1 hour 20 minutes

Step-by-step explanation:

Given : The old machine could shred a truckload of paper in 4 hours.

Rate of work done by old machine = \dfrac{1}{4}

The new machine could shred the same truckload in 2 hours.

Rate of work done by new machine = \dfrac{1}{2}

Let 't' be the time taken by both of them working together , then we have the following equation:-

\dfrac{1}{t}=\dfrac{1}{4}+\dfrac{1}{2}\\\\\Rightarrow\dfrac{1}{t}=\dfrac{1+2}{4}\\\\\Rightarrow\dfrac{1}{t}=\dfrac{3}{4}\\\\\Rightarrow t=\dfrac{4}{3}=1\dfrac{1}{3}\ \text{ hours}

Since 1 hour = 60 minutes

Then, \dfrac{1}{3}\ \text{ hours}=\dfrac{1}{3}\times60=20\text{ minutes}

Hence, it will take 1 hour 20 minutes to shred the same truckload of paper if Ron runs both shredders at the same time.

8 0
3 years ago
What are complementary and supplementary angles
vfiekz [6]

Answer:

Complementary angles are a pair of angles that sum up to 90 degrees. Supplementary angles are a pair of angles that sum up to 180 degrees.

Step-by-step explanation:

6 0
3 years ago
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A grocery store gives a$10 gift card to every 25th customer and a $20 to every 69th customer. Which customer will be the first t
alina1380 [7]

Answer:

First answer:

1725 customer.

Second Answer:

$690

Step-by-step explanation:

What you have to do is find the LCM(Least Common Multiple) of both 25 and 69.

8 0
3 years ago
The measure of ZA Is 12° greater than the measure of ZB. The two angles are complementary. Find the measure of each angle. . The
harina [27]

Answer:

m∡ZA = 51°

m∡ZB = 39°

Step-by-step explanation:

∡ZB = 'b'

∡ZA = '12 + b'

b + 12 + b = 90

2b + 12 = 90

2b = 78

b = 39

12 + 39 = 51

4 0
3 years ago
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