Answer:
I'm sorry but i can't see the figure. make sure you've uploaded it
It's in expanded form, so you add each part (thousands, hundreds, tens, and ones) separately. the hundreds is missing. looking at the number, it is 900.
Answer:
My push
Step-by-step explanation:
Answer:
z-statistic
Step-by-step explanation:
We have to identify the correct test statistic to use with the given conditions.
- If the sample size is larger than 30, then the sample is considered to be large.
- We are given a sample size of 51, which is a a large sample.
- Also, the population standard deviation is known.
- Thus, we use the z-statistic when testing a hypothesis about a single mean.
- Formula:
where is the sample mean, is the population mean, is the population standard deviation and n is the sample size.
Answer:
b
Step-by-step explanation:
i did this b4