At 95% confidence interval, the z score is 1.96. Using the
formula:
Confidence Interval = x ± z s / sqrt (n)
where x is the average time served, s is standard deviation
and n is number of samples
Confidence interval = 7.5 ± (1.96 * 3) / sqrt (400)
Confidence interval = 7.5 ± 0.294
<span>Confidence interval = 7.206 to 7.794</span>
Answer:
b
Step-by-step explanation:
Y=50+35.95x
x is how many months you have it
y is how much you pay total
Answer:
ssfgsdgdsfg
Step-by-step explanation:
sgsfdgfdsgdg
