Use a z-test where z=(xbar-mean)/sigma/sqrt(n)
The denominator is the SE and is 1.6/sqrt(30)=0.292
z=-0.5/0.292 and .9/.292 or between -1.71 and 3.08
that probability is 0.9553.
The answer is < :) hope this helped
88.2 is your answer, have a nice day
Answer:
Step-by-step explanation:
Answer:
f(x) - 1
Step-by-step explanation:
guess one question will not hurt your grade.