3 years ago

If the maximum score on a quiz is 120, is it possible to have a mean of 100 after the fifth quiz

1 answer:

8 0

Answer:

i dont think it is possible since you are losing percentage by the fifth time you are taking a quiz so if the max score is 120 it is not possible to still get 100 percent on the fifth try to will lose percent i think you can get 100 percent by the second or third try

Step-by-step explanation:

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A swim meet has 13 contestants signed up for the 100-meter butterfly event. The first heat has 6 swimmers. How many different wa

tino4ka555 [31]

Answer:

6 swimmers in the first heat can be arranged in 1716 different ways.

Step-by-step explanation:

A swim meet has 13 contestants signed up. To calculate the arrangement of first 6 swimmers in first heat we will use combinations because order doesn't matter.

So to select 6 swimmers out of 13 contestants number of different ways

= $^{13}C_{6}$