Answer:

Step-by-step explanation:
Answer:

Step-by-step explanation:
Answer:
1/2
Step-by-step explanation:
1/4(1−2/3)2+1/3
1/4(1 /3)2+1/3
1/12*2+1/3
1/6 + 1/3
1/6 + 2/6
3/6
1/2
Answer:
1. YES, The probability of of picking one with today's date is less than 1 because there is a chance of picking something else, you cannot say it is certain to pick today's date randomly.
2. YES, the probability of picking one with a different date is greater than 0 because there is a chance you could pick one of these. You cannot say it will never happen that you choose one with a different date.
3. .15 is the probability of picking today's date. (3 / 20)
4. .85 is the probability of picking a different date. (17 / 20)
Hope I helped!
Step-by-step explanation:
5, because it is halfway between 0 and 10.