Answer:
im pretty sure you have to divide 15, 840 by 60 and you should get 0.264
Step-by-step explanation:
Answer:
z=1.96
Step-by-step explanation:
Using normal distribution table or technology, 97.5% corresponds to z=1.959964, generally denoted z=1.96, or 1.96 standard deviations above the mean.
(above value obtained from R)
Yes you are correct good job
Answer:
Idk what table your talking about but i remeber for this the answer was 4 minutes.
Step-by-step explanation: