The mean number of sales of PS5's at an electronics store per day is 10 with a standard deviation of 2. What is the probability that more than 13
will be sold on a randomly selected day?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax