Answer:
A.
Step-by-step explanation:
<span>It can be assumed that the sample mean would would be approximately normal by the mean distribution theorem. The mean distribution theorem states that a large enough sample size will have a distribution and mean approximately the same as the population mean. A sample of 250, half the size of 500, is of sufficient size to assume the distribution mean will be approximately normal like the population mean.</span>
Answer:
you would change it 4 times a year
Step-by-step explanation:
if there is 12 months in a year and 3 mounths equal 6000 then divide 12/3=4
Answer:
It cannot
Step-by-step explanation:
The hypotenuse is always the longest side, which in this instance of the left triangle, it is 14
If x were to be 10, this would make line KM to be 15 units long, (10 + 5)
Despite line LM being unknown, x must have a number below 10 (, and 9) to make it possible
Answer:
It should be 1/18
Step-by-step explanation: