Answer:
The null hypothesis is
.
The alternative hypothesis is 
Step-by-step explanation:
Suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 2.5 years.
At the null hypothesis, we test if the mean is of 2.5 years, that is:

A study was then done to see if the mean time has increased in the new century.
At the alternative hypothesis, we test if the mean has increased, that is, if it is above 2.5 years. So

Answer:
que mal
no te ayudare
por culpa de brailyn
Step-by-step explanation:
culpables
BRAILYN
CULPABLES
BUUUUUUUUU
FUERAAA MODERADORES
BUUUUUUUUUU
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The answer is
12(2x-5)
good luckk
i hope i could help
Answer:
Zeros
x = -3 point (-3 ,0)
x = 3 point (3 ,0)
Step-by-step explanation:
Using a graphing calculator, we can easily check the intercepts of the equation
y = -x^2 +9