what is the probability that she will win at least one prize?
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In a drawing organized at the office, Monique purchased 10 of the
100 tickets sold. If there are four prizes to be won, what is the
probability that she will win at least one prize?
It is given that the Monique purchased 10 of the
100 tickets sold.
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- When taking a 18 question multiple choice test, where each question has 5 possible answers, it would be unusual to get or more questions correct by guessing alone. Note: Of course it would be unusual to get 18 questions correct. You need to enter the smallest possible number of questions to make getting "that many correct" unusual.Give your answer in the box above as a whole number.The Bengie Beverage Company is entering the sparkling beverage market and wants to know if beverage drinkers prefer a particular brand. They will use a blind taste test. One hundred and sixty drinkers are offered four different beverages in identical containers. They are asked to pick their favorite. The numbers in parentheses identify the number who chose that beverage. The results are: Beverage A (36); Beverage B (45); Beverage C (50); and Beverage D (29). At the 1% level of significance, are the beverage types equally preferred?In a survey it was found that 21 people liked product A, 26 liked product B and29 liked product C. If 14 people liked products A and B, 12 people liked products C and A, 14 people liked products B and C and 8 liked all the three products. Find how many liked product C only.
- At a benefit concert, fourteen bands have volunteered to perform but there is only enough time for six of the bands to play. How many lineups are possible?A group of five people would like to select two people among themselves and send them to a conference to represent their group. How many options do they have?Ten students are chosen to compete for seven scholarships: one is for $5,000, two is for $3,500 each, and four for $2,000 each. How many different ways can seven winners be chosen?
- In the Summer Olympics, there were eight runners in the final of the men's 100 meter dash. This race included two runners representing USA. How many possible outcomes could we have seen on the podium that didn't include either of the two Americans? That is to say the podium has no USA runners (six of the runners are non-USA runners). Remember the podium represents an ORDERED finish.The proportion of commuters on PSU – Berks campus is purported to be 65%. A professor believes this to be inaccurate. He randomly selects 300 students on campus and determines 200 of them to be commuters. Can the professor reject the campus claim of 65%?the records at a veterinary clinic show that out of the 3412 animals registered at the clinic, 1712 are dogs, 1012 are cats and the rest are birds. A stratified sample of 200 animals is to be chosen. Approximately how many birds should be included in the sample if the proportions of the types of animals in the sample are to reflect those of the whole clinic?
- In a recent survey of 180 people who drink coffee or tea, it was found that 137 drink coffee and 74 drink tea. How many people drink both?A school group is deciding how to line up its 10 members for a photo. The president will go first. How many possibilities are there for the remaining spots?Find the number of different poker hands that contain exactly 3 kings, while the other remaining 2 cards do not form a pair.
