A set of data is graphed below. What is the approximate correlation coefficient when the data set is represented by a linear best-fit model? Round to the nearest
у
10
9
8
7
6
hundredths. (2 decimals)
5
NWA
1
0
1 2 3 4 5 6
6 7 8 9 10

What is the length of the unknown leg in the right triangle ?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

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.