Answer:
0.67449
Step-by-step explanation:
Let be the 3rd quartile of normal distribution .
-z-score corresponding to the upper quartile can be calculated in excel as:
- In Excel, click on any empty cell'
- Type the function NORMINV
- Enter the probability as 0.75, mean= 0 and standard deviation=1
- Click the enter button.
-The output is 0.67449. Hence, the z-score corresponding to the upper quartile (Q3) of a normal distribution is 0.67499
Answer:
(100/150)*153 = 102, thus 2% is the answer
Step-by-step explanation:
The answer is the first one hope this helps!!
Answer: lol wut
Step-by-step explanation:
Answer:
7/10
Step-by-step explanation:
2/5 is tha same as 4/10
so 4/10 plus 3/10 is 7/10