Assume a hypothetical survey reports that the average number of articles published over a 5 year period in referred academic journals by faculty at 4 year liberal arts colleges nationwide is 3.2. The faculty at almost Ivy college publish an average of 3.7 articles during that same 5 year period, with a standard deviation (using n-1) of .80. There are 60 faculty at almost Ivy

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

Select the correct answer and solve for y

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.