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Tomtit [17]
2 years ago
13

I need help please ​Will mark brainliest

Mathematics
1 answer:
natima [27]2 years ago
7 0

Answer:

which ones do you need answered

Step-by-step explanation:

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There are 3 boxes. First box contains 100 components of which 20 % are defective, second box contains 200 components of which 25
natali 33 [55]

Answer:

Step-by-step explanation:

Given that there are 3 boxes. First box contains 100 components of which 20 % are defective, second box contains 200 components of which 25 % are defective, third box contains 300 components of which 40 % are defective.

Box is selected randomly and from this box one component is selected randomly. The chosen component turned out to be defective.

Here A1, A2 and A3 events from drawing I, II and III box are mutually exclusive and exhaustive

B = The drawn ball is defective

Required probability

a) second box = P(A2/B)

=\frac{P(A_2B)}{P(A_1B+P(A_2B+P(A_3B}

(by Bayes theorem of conditional probability)

= \frac{\frac{1}{3} 0.25}{\frac{1}{3} 0.20)+\frac{1}{3} 0.25)+\frac{1}{3} 0.40)} \\=\frac{25}{85} \\=\frac{5}{17}

b) third box = P(A3/B)

=\frac{\frac{1}{3} 0.40}{\frac{1}{3} 0.20)+\frac{1}{3} 0.25)+\frac{1}{3} 0.40)} \\=\frac{40}{85} \\=\frac{8}{17}

4 0
3 years ago
A newborn baby has about 26000000000 cells an adult has about 1.9 ×10 to the third times as many cells as a newborn baby how man
KonstantinChe [14]
An adult has 37.2 trillion cells
5 0
3 years ago
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What is 4.110 in word form
kogti [31]
4.110 =  four and eleven hundredths.

8 0
3 years ago
9.1 times 11.8 estimate the product by rounding each decimal number to the nearest whole number
lutik1710 [3]
We will round both numbers:-

9.1 = 9 

11.8 = 12

Now we will multiply these 2 numbers to get our answer. 

9 × 12 = 108

So, 9.1 ÷ 11.8 is ABOUT 108.

Hope I helped ya!!!!!!!
3 0
3 years ago
Read 2 more answers
5 of what percent is 3.5
UNO [17]
If you take 3.5 and divide it by 0.05, or times 20, that would make it 70.
7 0
3 years ago
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