From the given density function we find the distribution function,

(a)



(b)



(c)



Answer:
3 integers, with values: 1,2,3
Step-by-step explanation:
-2x+1>=-6
2x-1<=6
2x<=7
Positive integers: x=1,2,3
Count: 3
Answer:
not unless its a negative integer
Step-by-step explanation:
380 is more than 248 but if 380 was put as a negative, it would be seenon the number line as less.
example: -380.......0........248
example 2: 0.....248.....380
The probability of there being zero males is given by:

Similarly the probability of there being zero females is also 1/16.
The probability there will be at least 1 male and 1 female is therefore:

The answer is: 7/8.