Reference no: EM132264158

Assignment

Please, complete the exercises below and then upload your answers here.

Exercise 1:It is assumed that 80% of the students pass the MBA 541 course. Calculate the following for a class of 15 students:

(a) the mean number of students expected to pass; 

(b) the standard deviation; 

(c) P(exactly 12 of the 15 students pass); 

(d) P(at least 12 of the 15 students pass).

Exercise 2:Five customers enter a store and make independent purchase decisions.The store's records indicate that 20% of all customers who enter the store will make a purchase.

(a) Does a general discrete probability distribution or the binomial distribution apply? 

(b) Write the probability form applicable.  

Calculate the probability that:

(c) exactly four customers will make a purchase; 

(d) less than three customers will make a purchase.

The presentation of this assignment may be an Excel file or a MS Word document.