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Ronch [10]
2 years ago
7

Round 38.86 to 1 decimal place

Mathematics
2 answers:
Sonbull [250]2 years ago
5 0
38.9 is the answer. because it is rounded to the nearest tenth.
weqwewe [10]2 years ago
5 0
Hi There, 

Round38.86 to 1 decimal place?

<span>38.9 when a decimal number is wanted to be rounded, the first thing we need to see is if the next number is higher than 5, if that number is no higher, you just leave the previous number. </span>

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There are 21 black socks and 9 white socks. Theoretically, the probability of picking a black sock is 21/(21+9) = 21/30 = 0.70 = 70%

Assuming we select any given sock, and then put it back (or replace it with an identical copy), then we should expect about 0.70*10 = 7 black socks out of the 10 we pick from the drawer. If no replacement is made, then the expected sock count will likely be different.

The dot plot shows the data set is

{5, 5, 6, 6, 7, 7, 7, 8, 8, 8}

The middle-most value is between the first two '7's, so the median is (7+7)/2 = 14/2 = 7. This can be thought of as the average expected number of black socks to get based on this simulation. So that's why I consider it a fair number generator because it matches fairly closely with the theoretical expected number of black socks we should get. Again, this is all based on us replacing each sock after a selection is made.

4 0
3 years ago
How to write five million, forty thousand
NeTakaya

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8 0
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gladu [14]

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2 years ago
the larger of two number is 15 more than three times the smaller number. If the sum of the two numbers is 63, find tge numbers.
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