The mean number of words per minute (WPM) typed by a speed typist is 143 143
with a standard deviation of 12
12
WPM.

What is the probability that the sample mean would be greater than 142.2
142.2
WPM if 76
76
speed typists are randomly selected?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.