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Naily [24]
3 years ago
10

a company has 2 photocopy machines. The probability that machine A will break down on a given day is 2%. The probability that ma

chine B will break down is 2.5%. What is the probability that both machines will break down on a given day? Give your answer as a percent
Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0
Answer: 0.05%

-------------------------------------------

Work Shown:

To go from percent form to decimal form, move the decimal over 2 spots to the left. Think of 2% as 2.0%
2% = 0.02
2.5% = 0.025

Multiply the decimal form of each percentage
0.02*0.025 = 0.0005

Convert that result to a percentage. Move the decimal 2 spots to the right
0.0005 = 0.05% is the probability both break down

Note: This multiplication rule only works if the two events are independent. 
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it rained nine days in the month of april .based on this ,what is the probaility that is does not rain on the first day of may?​
attashe74 [19]
<h3>Answer:     7/10</h3>

==========================================================

Explanation:

There are 30 days in April. Since it rained 9 of those days, the empirical probability of it raining in April is 9/30 = (3*3)/(3*10) = 3/10.

If we assume that the same conditions (ie weather patterns) hold for May, then the empirical probability of it raining in May is also 3/10. By "raining in May", I mean specifically raining on a certain day of that month.

The empirical probability of it not raining on the first of May is therefore...

1 - (probability it rains)

1 - (3/10)

(10/10) - (3/10)

(10-3)/10

7/10

We can think of it like if we had a 10 day period, and 3 of those days it rains while the remaining 7 it does not rain.

6 0
3 years ago
4-5 of the money collected from a fundraiser was dived equally among 8 grades.What fraction of money did each grade receive
allsm [11]

If you are just dividing percent's, then each grade would have 12.5 percent.

4 0
4 years ago
#94 will give brainliest to best answer!​
bazaltina [42]

Answer:

5/8

Step-by-step explanation:

There are 8 sections, and 4 sections that are 1, and 1 pink section. So adding these up, we get 5/8.

Hope this helped! :)

7 0
2 years ago
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This is the answer I hope
It helps

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In the number 432.785 which number is the hundredths digit
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The number in the hundredths digit is 8.
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