A simple random sample of size nequals57 is obtained from a population with muequals69 and sigmaequals2. Does the population nee
d to be normally distributed for the sampling distribution of x overbar to be approximately normally distributed? Why? What is the sampling distribution of x overbar?
1 answer:
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Answer:
2.5 KPH
Step-by-step explanation:
It should be 120 as well, but if not try 60.
= 98 2/3
= 98 + 2/3
= 98/1 + 2/3
= (98/1 * 3/3) + 2/3
= 294/3 + 2/3
= 296/3
= 296 ÷ 3
= 98.666667
Answer:
4
Step-by-step explanation:
2 · 4 = 8
8 + 4 = 12
the value of x is 4