Answer:
i have the same question
Step-by-step explanation:
Answer:
Variance = 4.68
Step-by-step explanation:
The formula for the variance is:
Where:
The mean can be calculated as each value multiplied by its probability
Replacing the mean and the summatory of X:
Answer:
there are 27 female
Step-by-step explanation:
Answer:
2
Step-by-step explanation: