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erik [133]
3 years ago
8

Write the next number in this sentence.57,64,71......

Mathematics
1 answer:
Luden [163]3 years ago
6 0

Answer:

78is the next answer for this question

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Thirty percent (30%) of the bulbs in a large box are defective. If 12 bulbs are selected randomly from the box, calculate the pr
AleksandrR [38]

The probability that exactly 6 are defective is 0.0792.

Given:

30% of the bulbs in a large box are defective.

If 12 bulbs are selected randomly from the box.

To find:

The probability that exactly 6 are defective.​

Solution:

Probability of defective bulbs is:

p=30\%

p=\dfrac{30}{100}

p=0.3

Probability of non-defective bulbs is:

q=1-p

q=1-0.3

q=0.7

The probability that exactly 6 are defective is:

P(x=r)=^nC_rp^rq^{n-r}

P(x=6)=^{12}C_6(0.3)^6(0.7)^{12-6}

P(x=6)=924(0.3)^6(0.7)^{6}

P(x=6)=0.0792478958

P(x=6)\approx 0.0792

Therefore, the probability that exactly 6 are defective is 0.0792.

Learn more:

brainly.com/question/12917164

8 0
3 years ago
Juanita has 16 model cars and 48 model trains. What is the ratio of the wmber of trains to the member of cars?
svetoff [14.1K]

Answer:

1:3

Step-by-step explanation:

but thats not and answer

6 0
2 years ago
For what value of x does 32X – 9^3x-4?
Lubov Fominskaja [6]

Answer: X = 4/61

Step-by-step explanation

7 0
3 years ago
A sound wave enters a new medium where sound travels faster. How does this affect the frequency and wavelength of the sound?
worty [1.4K]
The frequency stays the same and the wavelength decreases.
6 0
3 years ago
Read 2 more answers
Each small square in the graph paper represents 1 square unit
mrs_skeptik [129]

Answer:

But the graph paper is not here...

4 0
3 years ago
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