Answer:
12
Step-by-step explanation:
469.75-10.75 =
459 ÷ 38.25 =
12
Answer:
well it might take some time to get used to going on the work and doing it. then soon or later you will be used to going on online classes
Step-by-step explanation:
Answer:
3.5?
Step-by-step explanation:
2,000 is 10% of 20,000
3.5 is 10% of 35
Answer: One sample z test for means
Step-by-step explanation:
From the information given, the sample size is large. It is greater than 30. Again, the population standard deviation is given. This means that the test statistic would be the z score which is determined by the formula
z = (x - µ)/σ
Where
x = sample mean
µ = population mean
σ = population standard deviation
The probability value would be determined from the normal distribution table.
Therefore, the hypothesis test that should be used is
One sample z test for means