The nero match company sells matchboxes that are supposed to have an average of matches per box, with . a random sample of nero matchboxes shows the average number of matches per box to be . using a level of significance, can you say that the average number of matches per box is more than ?

Question 1 which of the following tasks use your roommate as a resource? choose all answers which apply. take order wash the mixer’s bowl and mix the dough spoon cookies onto the tray unload the cookies from the oven pack the cookies 1 points question 2 which of the following tasks use the tray(s) as a resource? choose all answers which apply. take order wash the mixer’s bowl and mix the dough bake the cookies cool the cookies accept payment 1 points question 3 determine the task time for the following tasks. fill integer numbers into the blank (e.g., 5 rather than 5.0) wash and mixing the dough: minute(s)/order spoon cookies onto the tray: minute(s)/order set up timer: minute(s)/order bake: minute(s)/order cool the cookies: minute(s)/order pack the cookies: minute(s)/order accept payment: minute(s)/order 2 points question 4 q4: determine the cycle time for the following resources. fill integer numbers into the blank (e.g., 5 rather than 5.0) kristen (you): minute(s) roommate: minute(s) oven: minute(s) 2 points question 5 what is the capacity rate (in orders/hour) of the roommate? 1 points question 6 what is the capacity rate (in orders/hour) of the whole process? 2 points question 7 how long (in minutes) it takes to process the first order?

Consider the following information on stocks a, b, c and their returns (in decimals) in each state: state prob. of state a b c boom 20% 0.27 0.22 0.16 good 45% 0.16 0.09 0.07 poor 25% 0.03 0 0.03 bust 10% -0.08 -0.04 -0.02 if your portfolio is invested 25% in a, 40% in b, and 35% in c, what is the standard deviation of the portfolio in percent? answer to two decimals, carry intermediate calcs. to at least four decimals.

Russell's study compared gpa of those students who volunteered for academic study skills training and those who did not elect to take the training. he found that those who had the training also had higher gpa. with which validity threat should russell be most concerned?