Answer:
3:4 or 30:40
Step-by-step explanation:
basically means 30 blue pieces for every 40 green pieces
Answer: 8
Step-by-step explanation:
The formula to find the t-test statistic for differences between in two population mean:-
,where = sample mean difference
SE= Sample error
Given : SE= 4 points
t-statistic = 2.00
Substitute theses values in the above formula , we get
Hence, the sample mean difference is
Answer:
I dont know sorry
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
It's 19
just add 9 to 10