Answer: The standard error is 0.1225.
Step-by-step explanation:
Since we have given that
Sample size = 461
Standard deviation = 2.5
We need to find the standard error to calculate the margin of error.
So, the standard error would b

Hence, the standard error is 0.1225.
Answer:140.63
Step-by-step explanation:
11.25 x 12.5= 140.625
Answer:
21
Step-by-step explanation:
Using laws of exponents,
9^(1/2) = 34^(-1/2) = (1/4)^(1/2) = 1/2
Therefore,9^(1/2)/(4^(-1/2)) = 3/(1/2) = 6.
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Answer:
4
Step-by-step explanation:
If each of 12 kids ate 1/3 of a pizza, the amount eaten was ...
12 × 1/3 pizza = 12/3 pizza = 4 pizza
Dominic needed to buy 4 pizzas.