Toss three fair coins, and let x equal the number of heads observed. a. i dentify the sample points associated with this experiment, and assign a value of x to each sample point. b. calculate p1x2 for each value of x.

Cash you pay direct ,it's yours right out of your pocket, that goes for a checkbook too. a debit card is a bit more vulnerable to theft, because you can you it online and hackers can try to get your info ,if you lose cash than its a lost but its just cash ,if you lose your debit card ,  anyone can use it. you must cancel it that very moment.