Home / MLF / Week 11 / Real questions
MLF week 11 - real exam questions
2 questions pulled from past papers whose wording matches this week's topics, newest first, duplicates removed. Pick your answers, then press Check answers. Figures and answer keys are the originals.
Elapsed 00:00
The time (in minutes) a bank employee spends assisting a customer follows an exponential distribution with parameter 
. The time spent (in minutes) from a random sample of 5 customers are as follows: 
Find the maximum likelihood estimate of for the given sample. Enter the answer correct to two decimal places.
. The time spent (in minutes) from a random sample of 5 customers are as follows: Find the maximum likelihood estimate of for the given sample. Enter the answer correct to two decimal places.The average life (in years) of an electric bulb follows exponential distribution with parameter λ = 0.4. Using Weak Law of large numbers, find a lower bound on the probability that the mean life of a random sample of 50 such bulbs falls between 1.5 and 3.5 years. Enter your answer correct to three decimal places.