Solve for x: 3(x + 1) = 2(x − 1)
2 answers:
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Since the order of selection does not matter, we will use combinations to solve this problem.
We are to form the combination of 30 objects taken 6 at a time. This can be expressed as 30C6.
This means the six teachers can be selected in 593775 ways.
So the correct answer is option A
We are to form the combination of 30 objects taken 6 at a time. This can be expressed as 30C6.
This means the six teachers can be selected in 593775 ways.
So the correct answer is option A
Answer:
If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:
And the mean for this case would be:
And the standard deviation would be given by:
Step-by-step explanation:
If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:
And the mean for this case would be:
And the standard deviation would be given by: