I need assistance with a few questions please,

1.) Yes or no?

Assume that a coin is tossed twice. The coin may not be fair. The sample space consists of the outcomes {HH, HT, TH, TT}. Outcome HH HT TH TT Probability 0.29 0.83 -0.06 -0.12 Is the given a probability model? (Choose one) X 5Job satisfaction: In a poll, 478 out of \"'14 people said that they check their email multiple times per day. (a) what is the probability that a person who was polled checks their email multiple times per day? Round your answer to four decimal places. The probability that a person who was polled checks their email multiple times per day is [:]. A coin flip: A fair coin is tossed three times. The outcomes of the three tosses are recorded. Round your answers to four decimal places if necessary. Part: 0 / 3 Part 1 of 3 Assuming the outcomes to be equally likely, find the probability that all three tosses are "Tails." The probably that all three tosses are "Tails" isPay Your bills: A company audit showed that of 815 bills that were sent out, 436 were paid on time, 157 were paid up to 30 days late, 51 were paid between 31 and 90 days late, and 17] remained unpaid after 90 days. One bill is selected at random. (a) What is the probability that the bill was paid on time? Round your answer to four decimal places. The probability that the bill was paid on time is [j . Roulette: A Nevada roulette wheel has 38 pockets. Eighteen ofthem are red, eighteen are black, and two are green. Each time the wheel is spun, a ball lands in one of the pockets, and each pocket is equally likely. (a) What is the probability that the ball lands in a red pocket? Round your answer to four decimal places. The probability that the ball lands in a red pocket is D