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Wewaii [24]
3 years ago
15

Question 3 please after this i need my last one re did

Mathematics
1 answer:
morpeh [17]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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- is the answers for the question

Step-by-step explanation:

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What is the simplified form of √ 144x36?
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Step-by-step explanation:

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2 years ago
Samples of emissions from three suppliers are classified for conformance to air-quality specifications. The results from 100 sam
Vlad [161]

Answer

P(A) = 0.30

P(B) = 0.77

P(A\ n\ B) = 0.22

P(A\ u\ B) = 0.85

Explanation:

Given

See attachment for proper data presentation

n = 100 --- Sample

A = Supplier 1

B = Conforms to specification

Solving (a): P(A)

Here, we only consider data in sample 1 row.

Here:

Yes = 22 and No = 8

n(A) = Yes + No

n(A) = 22 + 8

n(A) = 30

P(A) is then calculated as:

P(A) = \frac{n(A)}{Sample}

P(A) = \frac{30}{100}

P(A) = 0.30

Solving (b): P(B)

We only consider data in the Yes column.

Here:

(1) = 22    (2) = 25 and (3) = 30

n(B) = (1) + (2) + (3)

n(B) = 22 + 25 + 30

n(B) = 77

P(B) is then calculated as:

P(B) = \frac{n(B)}{Sample}

P(B) = \frac{77}{100}

P(B) = 0.77

Solving (c): P(A n B)

Here, we only consider the similar cell in the yes column and sample 1 row.

i.e. [Supplier 1][Yes]

This is represented as: n(A n B)

n(A\ n\ B) = 22

The probability is then calculated as:

P(A\ n\ B) = \frac{n(A\ n\ B)}{Sample}

P(A\ n\ B) = \frac{22}{100}

P(A\ n\ B) = 0.22

Solving (d): P(A u B)

This is calculated as:

P(A\ u\ B) = P(A) + P(B) - P(A\ n\ B)

This gives:

P(A\ u\ B) = \frac{30}{100} + \frac{77}{100} - \frac{22}{100}

Take LCM

P(A\ u\ B) = \frac{30+77-22}{100}

P(A\ u\ B) = \frac{85}{100}

P(A\ u\ B) = 0.85

7 0
3 years ago
Please help! I don't understand this.​
nydimaria [60]

Answer:

1) 7

2) 49

3) 56

4) 9

5) 91

Step-by-step explanation:

For the day blanks, you just multiply the number of weeks by 7.

For the week blank, you divide 63 by 7

3 0
3 years ago
How many girls are in a group that has 16 boys? Complete the ratio table to solve the problem.
Svetach [21]
Since there are zero girls there are a number of options say 1:0 is an option,2:0 is an option here are the rest. 8:0 4:0 16:0. Hope this helped.
7 0
3 years ago
Read 2 more answers
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