Answer:
1.)
2.)
Step-by-step explanation:
Answer:
16,080
Step-by-step explanation:
6×420= 2520
18,600-2520=16,080
Answer:
I think the answer is A.
Step-by-step explanation:
A minute is 60 seconds so you would have to see how many times 5 sec and 6 sec goes into 1 minute in order to find out how many times they pass each other in 1 minute.
-I hope this helps!-
-Good luck!-
-Please mark as brainliest!-
-Please let me know if I got it correct or incorrect!-
Answer:
1/4
Step-by-step explanation:
Answer:
a)
b)
c)
Step-by-step explanation:
For this case we know that the mean for the random variable of interest is and the variance so then the deviation would be
The z score is given by thsi formula:
Part a
We want this probability:
And if we find the z score we got:
And we can find this probability:
Part b
We want this probability:
And if we find the z score we got:
And we can find this probability:
Part c
We want this probability:
And if we find the z score we got:
And we can find this probability: