The difference (-) between 15 and the product (x) of 15 and y
15y - 15
Yes it is a rational number it can be expressed as a fraction
Answer:
-12+l4-72l
Step-by-step explanation: i hope this helps
Answer:
b) equals 20 hours.
Step-by-step explanation:
The sampling distribution of means refers to the distribution of all the possible sample means, with a certain sample size (in this case, n=100) extracted from the population.
The sampling distribution of the means is equal to the population mean. That does not mean that every sample will result in a mean equal to the population, but that the population of sample means will have an average of 20 hours.