Question

A die is rolled 100 times with the following distribution: Number 1 2 3 4 5 6 Observed frequency 17 14 20 17 17 15 Use chi- square test at the 0.01 level of significance, determine whether die is uniform or not uniform

Answer 1

Answer:

• Number id 4
• 17
• level is 0.2
• hope this answers will be helpful to you kaira

Answer 2

Solution If the random variable X denotes the daily consumption of milk

(in gallons) in a city, then Y=X - 10000 has exponential distribution with

mean 1000

Mean

1000

1

1000

The PDF of Y is

1000

Since the daily stock of the city is 20000 gallons, the probability that the stock is insufficient on a particular da