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pentagon [3]
3 years ago
9

Assume that when adults with smartphones are randomly selected , 44% use them in meetings or classes. If 8 adult smartphone user

s are randomly selected , find the probability that exactly 3 of them use their smartphone in meetings or classes
Mathematics
1 answer:
AlladinOne [14]3 years ago
3 0

Answer:

you just answered your own question

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How to simplify y to the 7th power×y to the 2nd power​
oee [108]

Answer:

Y to the 9th power

Step-by-step explanation:

7 0
3 years ago
There are 400 bears in the woods and their number is decreasing by 5% per year how many bears will there be in five years?
grandymaker [24]

Answer:

300 bears left

Step-by-step explanation:

400 x 0.05 is 20. 20 is how many will be gone in one year. 20 x 5 is 100. 100 is how many will be gone in 5 years.

400 - 100 is 300. Hope this helps, please tell me if i am wrong

5 0
3 years ago
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To determine the number of trout in a​ lake, a conservationist catches 94 ​trout, tags them and throws them back into the lake.​
densk [106]
Tagged? 84 if the 10 weren’t thrown back in general? 94+20=114 I’m not sure if this answers your question, sorry if it doesn’t, your question wasn’t very specific.
4 0
3 years ago
Tell whether the statement is true or false. If A is 45% of B, then the ratio A:B is 9:20.
Damm [24]

Answer:

True

Step-by-step explanation:

A ratio is a numerical comparison broken down to its most simplest form. Theoretically, a ratio can be the same as a percentage.

45% is the same as 45/100. It can be simplified by dividing 5 from it to get 9/20...

which is the same as the 9:20 ratio.

Hope this helps!

Hope this

6 0
3 years ago
I need this soon, please.
leonid [27]

Answer:

5 10

12 5

Step-by-step explanation:

you add numbers in the same position.

2+3. 4+6

7+5. 5+2

5 0
3 years ago
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