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Anna71 [15]
3 years ago
15

Ten different numbers are written on pieces of paper and thrown into a hat. The sum of all the numbers is 205. What is the proba

bility of selecting four numbers that have a sum greater than 82
Mathematics
1 answer:
nordsb [41]3 years ago
5 0

Answer:

The probability is 40%

Step-by-step explanation:

a) There are ten pieces of paper with ten numbers

Probability of selecting four pieces of paper = 4/10 or 40%

Probability that the four numbers selected will have a sum greater than 82 = 82/205 = 40%

Therefore, the probability of selecting four numbers that have a sum greater than 82 out of ten numbers totalling 205 is 40%.

b) Probability is the ratio of the number of outcomes favourable for the event to the total number of possible outcomes.   In other words, it is a measure of the likelihood of an event (or measure of chance).

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Step-by-step explanation:

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There are 18 athletes trying out for the olympic swimming team. The coach only has room for 8 swimmers on the team. How many dif
Mice21 [21]

Answer:

43,758 different swimmer squad

Step-by-step explanation:

Given;

Total Number of athletes n = 18

Number of athletes needed to be selected r = 8

For this case, the coach need to select 8 players from a total of 18 athletes with no particular order. So, this is a combination case since the order of selection is not relevant.

The number of different swimmer squads the coach could select is;

S = nCr

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Substituting the values of n and r;

S = 18C8

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Answer:

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Step-by-step explanation:

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I hope it helps! Have a great day!

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