Mathematics, 14.07.2019 14:30 KayPink5723
In a restaurant, the proportion of people who order coffee with their dinner is .9. a simple random sample of 144 patrons of the restaurant is taken. a. what are the expected value, standard deviation, and shape of the sampling distribution of ? b. what is the probability that the proportion of people who will order coffee with their meal is between 0.85 and 0.875? c. what is the probability that the proportion of people who will order coffee with their meal is at least 0.945?
Answers: 1
Mathematics, 21.06.2019 17:30
33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.
Answers: 1
Mathematics, 21.06.2019 21:40
Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.
Answers: 1
Mathematics, 22.06.2019 01:10
|y + 2| > 6 {y|y < -8 or y > 4} {y|y < -6 or y > 6} {y|y < -4 or y > 4}
Answers: 2
Mathematics, 22.06.2019 03:00
The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.
Answers: 3
In a restaurant, the proportion of people who order coffee with their dinner is .9. a simple random...
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