Mathematics, 26.07.2019 02:40 teresaramirezde4
Suppose that administrators at a large urban high school want to gain a better understanding of the prevalence of bullying within their school. they select a random sample of 200 students who are asked to complete a survey anonymously. of these students, 63 report that they have experienced bullying. use this information to find a 90% ‑confidence interval for , the true proportion of students at this school who have experienced bullying. give the limits (bounds) of the confidence interval as a proportion, precise to three decimal places. lower limit = upper limit =
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Mathematics, 21.06.2019 17:10
The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable
Answers: 2
Mathematics, 21.06.2019 18:00
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
Answers: 2
Mathematics, 21.06.2019 19:00
Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?
Answers: 2
Mathematics, 21.06.2019 21:30
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
Answers: 3
Suppose that administrators at a large urban high school want to gain a better understanding of the...
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