2 4. An angle e drawn in standard position terminates in the fourth
quadrant. If sin 0 then which of the following is the value
5.
of cos O?
(1)
(3)
-
V10
5
21
(2) -
(4)
5

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?