Answer:
all work is shown and pictured
Answer:
769769769/1000000000
Step-by-step explanation:
A three-letter word used to show division in a word problem is PER.
Step-by-step explanation:
This event that's taking place is happening twice. The event is the mail getting delivered. It's happening two times. Luckily, you already know the probability of it happening once. Because it happens twice, you just square it. (0.9)^2. 0.81 chance of it happening in two consecutive days.
If bob sleeps for 9 hours a day and 9 x 365 is 3,285. He sleeps for 3,285 hours a year