Answer: -0.81
Explanation:
A standard normal random variable simply refers to the normally distributed random variable which has a imean of 0 and also had a standard deviation that has the value of 1.
The standard normal variable can also be represented by the letter Z. For some value of Z, the probability that a standard normal variable is below Z is 0.2090. The value of Z is -0.81.
Answer:
1
Explanation:
sin
15
°
cos
75
°
+
cos
15
°
sin
75
°
=
sin
(
15
°
+
75
°
)
=
sin
(
90
)
=
1
Answer: Upon its formation in 1938, the official role of the House Un-American Activities Committee was to investigate Communist and fascist organizations that had become active during the Great Depression, though it also examined the activities of other groups on the political left
Explanation:
