Answer:
A. 108 in^2
B. 144 in^2
C. 36 in^2
Step-by-step explanation:
Answer: -4 1/2 , -1/2 , 1/4 , 2/3 , 2 1/3
Step-by-step explanation:
Answer:
Step-by-step explanation:
25
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.
