A saleswoman meets her daily quota when she sells 9 items. Approximately 12 % of her calls results the sale of an item.
Posted: Sun Jul 10, 2022 10:18 am
A saleswoman meets her daily quota when she sells 9 items. Approximately 12 % of her calls results the sale of an item. Find the: a) probability she will need to make 70 calls in a day to meet her quota b) standard deviation in the number of calls that she will need to make in a day to reach her quota? c) probability she will need 6 calls to make her first sale? d) probability she will need more than 4 calls to make her make her first sale? e) what is the standard deviation in the number of calls that she will need to make in a day to make her first sale?