The bank manager will investigate whether there is a significant difference in mean numbers of bank visits for the groups. Multiple two-sample t -tests will be conducted, each at the significance level of α=0.05 . (a) How many t -tests will need to be conducted for the manager's investigation? List the pairs of groups for each test.

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James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? define a variable for the situation. write an inequality that represents the situation. solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left