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The number of unique ways is given by the number of possible
combination having distinct members.
The number of unique ways there are to arrange 4 of the 6 swimmers are <u>15 ways</u>.
Reasons:
The given parameters are;
The number of swimmers available = 6 swimmers
The number of swimmers the coach must select = 4 swimmers
Required:
The number of unique ways to arrange 4 of the 6 swimmers.
Solution:
The number of possible combination of swimmers is given as follows;
Therefore, the coach can select 4 of the 6 available swimmers in <u>15 unique ways</u>
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Answer:
The value remain unchanged.
Step-by-step explanation:
By Z score, we mean:
Z = , if we substitute the given values of mean and standard deviation, we obtain the z score value. That is,
Z = = 85/12 = 7.083333.
NB: We assume that mean and standard deviation are in the same units.