Answer:
n = 10
Step-by-step explanation:
you can also use( Math -way) its a calculator for any math problem gives you answers fast :) hope i helped
Answer:
The second one I think
Step-by-step explanation:
We have that the probability of Janice rolling a 2 or 5 on her 7th toss of the dice is

From the question we are told that
Janice rolled either a 2 or a 5 on the last 6 rolls of the die
Janice rolling a 2 or 5 on her 7th toss of the dice

Where

Janice roll the standard die 7th time the probability of getting 2 or 5 is

For more information on this visit
brainly.com/question/11234923?referrer=searchResults
The answer is 4/15, because we have to get the denominaters to be the same, so the LCM of 5 and 15 is 15, so 15/5 is 3 and 4*3 is 12. Now, its 12/15-8/15 which is 4/15. Hope this helps!