1.If the probability that your DVD player breaks down before the extended warranty expires is 0.018?,
what is the probability that the player will not break down before the warranty? expires?
2.If there is a 1 in 3,000 chance that you will pick the numbers correctly in? tonight's lottery, what is the probability that you will not pick the numbers? correctly?
3.If the probability that an event does not occur is 0.042, then what is the probability that the event? occurs?
4.If tens coins are flipped, what is the probability of obtaining at least one head?
5.A college administration has conducted a study of 200 randomly selected students to determine the relationship between satisfaction with academic advisement and academic success. They obtained the following information. Of the 80 students on academic? probation, 46 are dissatisfied with? advisement; however, only 27 of the students not on academic probation are dissatisfied with advisement. What is the probability that a randomly selected student is not on academic probation??
6.A pair of dice is rolled. what is the probability of getting a sum greater than 8? A Sum less than 7?
7.Suppose you draw a card from a? well-shuffled deck of 52 cards. What is the probability of drawing a 3 or a jack??
8.A single card is drawn from a standard? 52-card deck. Let D be the event that the card drawn is a diamond and let F be the event that the card drawn is a face card. Find the indicated probability. P(D'UF)
9.The manager at the local auto shop has found that the probability that a car brought into the shop requires an oil change is 0.73, the probability that a car brought into the shop requires brake repair is 0.27, and the probability that a car requires both an oil change and brake repair is 0.23. For a car brought into the? shop, determine the probability that the car will require an oil change or brake repair?
10.The windshield wipers on a car have not been working properly. The probability that the car needs a new motor is 0.65, the probability that the car needs a new switch is 0.45, and the probability that the car needs both is 0.2. What is the probability that the car needs neither a new motor nor a new? switch?
11.A cooler at a picnic contains 100 cans of soda covered by ice. There are 30 cans of? cola, 41 cans of orange? soda, 26 cans of ginger? ale, and 33 cans of root beer. The cans are all the same size and shape. If one can is selected at random from the? cooler, determine the probability that the soda selected is ginger ale, orange soda, or root beer?
12.A manufacturer has shipped 57 cameras to an electronics? store, of which 12 are defective. If the electronics store sold 15 cameras before discovering that some were? defective, what is the probability that at least one defective camera was? sold?
13.A sushi restaurant has prepared 23 portions of? seafood, seven of which had been left out too long and spoiled. If 8 of the 23 portions are served randomly to? customers, what is the probability that at least one customer will receive spoiled? food?
14.A shipment of 60 inexpensive digital? watches, including 7 that are? defective, is sent to a department store. The receiving department selects 10 at random for testing and rejects the whole shipment if 1 or more in the sample are found defective. What is the probability that the shipment will be? rejected?