Answer:
4
Step-by-step explanation:
12+8 = 20
20/5 = 4
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:
4
Step-by-step explanation:
the degree of the polynomial is the highest degree of any of the terms.
Answer:
31
Step-by-step explanation:
Answer: (-2, 5/3)
explanation: since you are given x = -2, just plug that into the equation and solve.