Answer: Our required probability is 0.3162.
Step-by-step explanation:
Since we have given that
n = 60
Probability of success = 
Probability that at most 39 of these relays come from supplier A would be

Hence, our required probability is 0.3162.
3120 times 4 which is 12,480 which is close to 1200 so c is ur answer
B - Since it is a dotted inequality, it would be a equal to and something else. And since it is greater than 3, it would be X is equal to or less than 3
Answer:
-9
Step-by-step explanation:
you put in -1 where there is an x in the equation
3(-1) + 6(-10)
-3 - 6
-9 is the answer