a) What is the probability that a randomly selected individual owns shares in a bond fund? [ d b) What is the probability that the selected individual does not own shares in a stock fund?
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- The probability that a randomly chosen American household owns a gun is 0.43 (source). The probability that a randomly chosen American household owns a microwave is 0.968. Assuming that these events are independent, what is the probability that a randomly chosen American household owns neither a gun nor a microwave?The probability that a certain state will be hit by a major tornado (category F4 or F5) in any single year is 15. Complete parts (a) through (d) below. a. What is the probability that the state will be hit by a major tornado two years in a row? b. What is the probability that the state will be hit by a major tornado in three consecutive years? c. What is the probability that the state will not be hit by a major tornado in the next ten years? d. What is the probability that the state will be hit by a major tornado at least once in the next ten years?The table below shows the results of a survey that asked 2853 people whether they are involved in any type of charity work. A person is selected at random from the sample. Complete parts (a) through (d). ET TIE Frequently Occasionally Not at all Total Male 223 453 793 1469 Female 205 430 749 1384 Total 428 883 1542 2853 (..... (a) Find the probability that the person is frequently or occasionally involved in charity work. P(being frequently involved or being occasionally involved) = (Round to the nearest thousandth as needed.)
- The number of customers calling a call centre is, on average, 3 in 30 minutes. What is the probability that at least 1 customer calls in 11 minutes? (3 d.p.)In the film industry, the chance of a moviebecoming a flop is 90%.a. Among the first 5 movies produced in a year, what is the probability that only the last movie will be a flop? b. Among 18 movies, what is the probabilitythat exactly 7 movies will be flops? c. Among 20 movies, what is the probabilitythat more than 5 movies will be flops?The number of customer orders for 21-inch (“two-page”) computer monitors at a large mail-order firm averages 10 monitors per day. The average level of customer demand is constant, and customers do not affect one another in their buying habits. a.Determine the probability that more than 10 monitors will be purchased in a day. b.Find the probability that exactly 7 monitors will be purchased in a day. C.There are currently 12 monitors in stock, and no more will arrive from the manufacturer for another 2 days. What is the probability that no monitor will have to be back ordered?
- Suppose that 30% of people have a dog, 17% of people have a cat, and 10% of people own both. What is the probability that someone owns a dog or a cat? The probability of a person having a dog or a cat is (Type an integer or a decimal.)A new boarding policy has been proposed by an airline. Frequent flyers and non-frequent flyers were asked for their opinions, and the results are summarized in the table shown here. Find the probability a person chosen at random from among the people surveyed favors the new policy and is a frequent flyer. Enter your answer correctly to two decimal places. Remember, a probability is expressed as a number between zero and one, inclusive. Opinion on Policy In Favor Of (A) Neutral (B) Opposed To (C) Frequent Fliers (D) 48% 23% 4% 75% Non-Frequent Fliers (E) 15% 3% 7% 25% 63% 26% 11% 100%An unreliable company produces a large shipment of blenders where 13% have a defective motor, and 25% have a defective electrical cord and 5% have both defects. If you randomly select a blender in this shipment, find the probability that it has... a) only a defective electrical cord. Write your answer as a percent rounded to 1 decimal place. b) a good motor. Write your answer as a percent rounded to 1 decimal place. c) a good motor and a good electrical cord. Write your answer as a percent rounded to 1 decimal place.
