A bank finds that using ATM reduces cost of routine bank transactions. Bank installs an ATM in corp ofc of Fun Toy Co. The ATM is for exclusive use of Fun Toys' 605 employees. After several months, a sample of 100 employees revealed the use of ATM machine by Fun employees for one month. Number of times used 0-5 & Frequency 25-5
0 25
1 30
2 20
3 10
4 10
5 5
Develop a 95 percent confidence interval for this estimate. Can the bank be sure that at least 40 percent of the employees of Fun Toy Company will use the ATM? This is a 6 part question do I ask each part individually? or can I send all 6 as one question? A though E?