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: Picture is blury for me I can not see it well enough
Step-by-step explanation:
All i see is the 8 ft and 17ft cant see any of the other numbers
Answer:x=-8
Step-by-step explanation:subtract 21 from both sides then simplify 31-21 to -8
Answer:
the answer is 30.45
Step-by-step explanation:
Answer:
Maths
Step-by-step explanation:
Find percentages of her score
14/17 = 0.82 so she scored 82%
31/39=0.79 so she scored 79% in english