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Anni [7]
3 years ago
14

I will give brainlist.

Mathematics
1 answer:
insens350 [35]3 years ago
4 0
A .15
10 is even
20 is even
2 is even
12 is even
7 is not a multiple of 5
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Lots of 40 components each are deemed unacceptable if they contain 3 or more defectives. The procedure for sampling a lot is to
MrRissso [65]

Answer:

The probability of founding exactly one defective item in the sample is P=0.275.

The mean and variance of defective components in the sample are:

\mu=0.375\\\\\sigma^2=0.347

Step-by-step explanation:

In the case we have a lot with 3 defectives components, the proportion of defectives is:

p=3/40=0.075

a) The number of defectives components in the 5-components sample will follow a binomial distribution B(5,0.075).

The probability of having one defective in the sample is:

P(k=5)=\binom{5}{1}p^1(1-p)^4=5*0.075*0.925^4=0.275

b) The mean and variance of defective components in the sample is:

\mu=np=5*0.075=0.375\\\\\sigma^2=npq=5*0.075*0.925=0.347

The Chebyschev's inequality established:

P(|X-\mu|\geq k\sigma)\leq \frac{1}{k^2}

6 0
3 years ago
Factor. 31)............
Semmy [17]

Answer:

6(8x-3)x(3x²-7)

Step-by-step explanation:

144x³-54x²-336x+126

=6(24x³-9x²-56x+21)

=6(3x²x(8x-3)-7(8x-3))

=6(8x-3)x(3x²-7)

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3 years ago
Choose the correct trig ratio you would use to solve for the missing piece of the right triangle:
Maslowich

Answer:

cos

Step-by-step explanation:

3 0
3 years ago
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Use the quadratic formula to find both solutions to the quadratic equation given below. 2x^2+3x-5=0
Alisiya [41]

Answer:

x=1 and x= -2.5

Step-by-step explanation:

✯Hello✯

The quadratic formula is x=-b+-(sqrt)b^2-4ac/2a

A = 2

B= 3

C = -5

PLUG THESE VALUES INTO THE QUADRATIC FORMULA

we can see that x=1 and x= -2.5

❤Gianna❤

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3 years ago
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Name the marked angle in 2 different ways.
ch4aika [34]
Angle KIH and angle HIK
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