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(1)
A correlation coefficient of 0.96 would mean that
A)
the values of x decrease as the values of y increase
B)
the values of x increase as the values of y decrease
C) there is no relationship between x and y
D)
the values of x increase as the values of y increase
(2)
The average weight of books on a library f is 8.3 grams. The standard deviation
is 0.6 grams. If 20% of the books are oversized , find the minimum
weight of the large books on the library f. Assume the variable is normally
distributed.
A)
8.804 grams
(3)
How many times a die is rolled when the mean for the number of 3's that will be
rolled=60
a) 20
b)1/6
c) 360
d)10