3 years ago

I’m stuck on this question please help me

Mathematics

1 answer:

frozen [14]3 years ago

3 0

Answer:

im pretty sure its the 2nd or 3rd one

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What is the value of s in the equation 3r=10+5s when r=10

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30 = 10+5s
20 = 5s
s = 4

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Miguel can use all or part of his $25 gift card to make a music purchase. Each song costs $1.50, and there is a $1.00 per accoun

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9.2384E6 in standard form

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Step-by-step explanation:

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3 years ago

Please help due tomorrow!

vaieri [72.5K]

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Step-by-step explanation:

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3 years ago

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

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3 years ago