Could i ask which one of these are correct: Please see: Question: Arrivals of cu

Question

Could i ask which one of these are correct:

Please see:

Question: Arrivals of customers arrive at a supermarket aremodelled as a HPP with a rate of arrivals per hour, so thatthe no. of arrivals in the interval [0,t] has a Poissondistribution with mean =t

If 20 successive inter-arrival times have a mean of 2 minutes, find90% c.i. for interval rate .

is the answer either:

(0.03333 * (26.5093/40) , 0.03333 * (55.7505/40))
(0.0221, 0.046461)
(1/0.046461, 1/0.0221)
(21.523, 45.249)

OR

(40 (0.03333) / 26.5093 , 40 (0.03333) /55.7505)
(.050291784, .023913686)
(1/0.02391, 1/0.05029)
(41.8235, 19.8847)

Explanation / Answer

The answer is (0.03333 * (26.5093/40) , 0.03333 * (55.7505/40)) (0.0221, 0.046461) (1/0.046461, 1/0.0221) (21.523, 45.249)

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---