Answer:
0.8333
Step-by-step explanation:
Given that a group of statistics students conducted a random sample of 64 students at their college.
Their findings showed that the sampled students studied an average of 15 hours per week with a standard deviation of 5 hours
i.e we have
sample size =
Standard deviation of sample s =
By central limit theorem we have sample mean will follow a normal distribution with mean = sample mean and std error = std deviation /square root of n.
Substitute the values to get
Standard error of means =
Answer:
=g-1(4)
Step-by-step explanation:
x=3y+8 ---> y=
y=
Answer:
-2
Step-by-step explanation:
From the position of 2 on the x axis, just trace down to the graph.
Where the trace intersects the graph, then trace this point to the y-axis
This gives -2