1. Identity which of the following values are valid and not valid numbers for a probability: a. 2.1 b. 4/4 c. 76% d. 0.8 e. 9/8 f. 110% g. -1/3 h. 1 i. 0.007

2. Consider the experiment of rolling two dice. a. What is the probability of obtaining a sum of eight? b. What is the probability of obtaining a sum of eight or less? c. What is the probability of obtaining a sum of four or more?

3. A survey was conducted in which 150 households were asked how many working televisions they owned. The results are as follows: Number of Televisions Number of Households 0 5 34 50 29 4 12 5 12 6 Total 150 a. What is the probability that a randomly selected household has one television? b. What is the probability that a randomly selected household has more than two televisions? c. What is the probability that a randomly selected household has fewer than four televisions? d. Is this an example of classical, empirical, or subjective O Chat probability?4. The following table indicates the frequency of lap-tops sold per day at a local Best Buy store during a particular time period. During the period, there were never any days in which more than seven lap-tops were sold. Daily Demand Frequency 7 H 11 26 W N 13 15 5 8 5 a. What is the probability that three laptops will be sold tomorrow? b. What is the probability that four or more laptops will be sold tomorrow? c. What is the probability that either one or two laptops will be sold tomorrow? d. What is the probability that fewer than two lap-tops will be sold tomorrow? e. Is this an example of classical, empirical, or subjective probability