A saleswoman meets her daily quota when she sells 9 items. Approximately 12 % of her calls results the sale of an item.

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A saleswoman meets her daily quota when she sells 9 items. Approximately 12 % of her calls results the sale of an item.

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A Saleswoman Meets Her Daily Quota When She Sells 9 Items Approximately 12 Of Her Calls Results The Sale Of An Item 1
A Saleswoman Meets Her Daily Quota When She Sells 9 Items Approximately 12 Of Her Calls Results The Sale Of An Item 1 (40.82 KiB) Viewed 86 times
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?
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