The sample mean, ñ, is a point estimate of the population mean, H, given that which of the following statements is true?

The sample represents a proportion of the population.
The sample size, n, is equal to the size of the population.

The sample mean, can never be the point estimate of the population mean, i
The sample mean, 7, is always the point estimate of the population mean,

The sample size, n, is large enough to accurately represent the population.

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Determine the relationship of ab and cd given the following points

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?