Answer:
a)
b)
c)
d)
Step-by-step explanation:
Let X the random variable of interest and we know that the distribution is given by:
And for this problem we can use the cumulative distribution function in order to solve the items:
Part a
We want to find this probability:
Part b
Part c
And we can calculate the probability with this difference:
Part d
Since we have a continuous distribution the the probability for an unique value would be:
true
28
2+5=7 7*4=28
please mark brainlest if you can!
m = 1/3
x = 9, y = -7, m = -6
4x = 36
Divide 36 by 4
x = 9
-6y = 42
Divide by 42 by -6
y = -7
-54 = 9m
Divide -54 by 9
m = -6