vanano Part: 2/4 Part 3 of 4 Find the standard deviation. Round your answer to one decimal place as needed. Standard deviation: 0= Part: 3 / 4 Part 4 of 4 If the manager of the retail store wants to...

Extracted text: vanano Part: 2/4 Part 3 of 4 Find the standard deviation. Round your answer to one decimal place as needed. Standard deviation: 0= Part: 3 / 4 Part 4 of 4 If the manager of the retail store wants to be sure that he has enough suits for the next 6 days, how many should the manager purchase? Round up your answer to the next whole number as needed. The manager should purchase suits for the next 6 days.


Extracted text: Suit Sales The number of suits sold per day at a retail store is shown in the table, with the corresponding probabilities. Number of suits sold X 21 22 23 24 25 Probability P(X) 0.1 0.2 0.3 0.1 0.3 Send data to Excel Part: 0/4 Part 1 of 4 Find the mean. Round your answer to one decimal place as needed. Mean: u= Part: 1/ 4 Part 2 of 4 Find the variance. Round your answer to one decimal place as needed. Variance: o =