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# 1.Aowner of a steak restaurant is considering opening new branch in Region X and consulted you if she should open Or not: It is known that this kind of luxury resta...

## Question

###### 1.Aowner of a steak restaurant is considering opening new branch in Region X and consulted you if she should open Or not: It is known that this kind of luxury restaurant will be successful if the average monthly household income of the region is above 20,000 TL. random sample . of 100 houscholds was oblained and their mean monthly income was [9.000 TL Assune thc avcrage houschold income is nonnally distributed with the population standard deviation of 2000 IL(a) Do you advise the restaurant owne

1.Aowner of a steak restaurant is considering opening new branch in Region X and consulted you if she should open Or not: It is known that this kind of luxury restaurant will be successful if the average monthly household income of the region is above 20,000 TL. random sample . of 100 houscholds was oblained and their mean monthly income was [9.000 TL Assune thc avcrage houschold income is nonnally distributed with the population standard deviation of 2000 IL (a) Do you advise the restaurant owner to open this new restaurant? Derive acceptance interval to make your decision (Open O not to open). Use the most commonly used level of a . (6) By using the collected data. You nOw calculated the sample standard deviation of household income as 2.500 TL Calculate 959e confidence interval for populatlon staadard deviatiom and discuss the result by comparing it with the empirical value of population variance. (c) If only [0% of such kind of restaurant is successful in general out of 150 restaurants in Ankara. what is the probability that the sample proportion of the restaurant to be successful is greater than 209 0?

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