We are given with
x1 = 20 min
s1 = 2 min
x2 = 30 min
s2 = 4 min
p = 0.9
Condition (x > 25)
We need to get the t-value between the two means and comparing it wit the t-value for the time of 25 minutes given that there is a 90% probability that the weather will be good. Simply use the t-test formula and use the t-test table to get the probability.
Answer:
5,6241
Step-by-step explanation:
I have no idea if this is correct but I hope it is. I hope this helps.
Where is the grid are u gonna take a pic?
Answer:
4/5
Step-by-step explanation:
0.35 + 0.2 + 0.25 = 0.80
This is a screen shot of an online calculator called mathportal.com it shows the work used to find the answer to this question
Hope this helped and have an amazing day :)
-yO mAmA
