At a college, 200 students are randomly selected. 140 like Red Bull, 120 like Monster and...
At a college, 200 students are randomly selected. 140 like Red
Bull, 120 like Monster and 80 like both. Construct a Venn diagram
and answer the following questions:
1. How many students only like Red Bull?
2. How many students only like Monster?
3. How many students like neither Red Bull nor Monster?
4. How many students like only one of Red Bull or Monster?
5. How many students like at least one of the beverages?
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At a college, 200 students are randomly selected. 140 like Red
Bull, 120 like Monster and...
80% of students at a College live on campus. 120 randomly selected students at the college...
80% of students at a College live on campus. 120 randomly selected students at the college are surveyed and asked their living situation. Let p̂ be the proportion of students in the sample survey who report they live on campus. a) Find the mean and standard deviation of the sampling distribution of p̂. b) Use normalcdf with the sample proportion p̂ to determine the probability that at least 75% of the students in the survey live on campus.
(1 point) In a survey of 263 college students, it is found that 62 like brussels...
(1 point) In a survey of 263 college students, it is found that 62 like brussels sprouts, 100 like broccoli, 59 like cauliflower, 30 like both Brussels sprouts and broccoli, 22 like both Brussels sprouts and cauliflower, 20 like both broccoli and cauliflower, and 12 of the students like all three vegetables. a) How many of the 263 college students do not like any of these three vegetables? b) c) d) How many like broccoli only? How many like broccoli...
80% of students at Merrimack College live on campus (normally— not during a pandemic). 120 randomly...
80% of students at Merrimack College live on campus (normally— not during a pandemic). 120 randomly selected students at Merrimack are surveyed and asked their living situation. Let p̂ be the proportion of students in the sample survey who report they live on campus. a. Find the mean and standard deviation of the sampling distribution of p̂. b. Use normalcdf with the sample proportion p̂ to determine the probability that at least 75% of the students in the survey live...
In a randomly selected 100 students in a large college, 20 of them had at least...
In a randomly selected 100 students in a large college, 20 of them had at least one sibling. Does this provide strong evidence that more than 15% of college students in America have at least one sibling? Find the value of the test statistic (round off to first decimal place)
30% of a college campus commute. If 3 students are randomly selected from this campus, what...
30% of a college campus commute. If 3 students are randomly selected from this campus, what is the probability that at least one of them commute?
(Counting-does order matter here?) 1. Eight engineering students are lined up to give presentations at a...
(Counting-does order matter here?) 1. Eight engineering students are lined up to give presentations at a hiring fair. One person demands to be either first or last. In how many ways can these students line up? (Enter an integer answer.) (Naming events - Venn diagrams - Operations with sets Probability) 2. Suppose that in a senior college class of 500 students it is found that 98 smoke, 229 drink alcoholic beverages, 212 eat between meals, 70 smoke and drink alcoholic...
Do students need Summer Development? For 108 randomly selected college applicants, the following frequency distribution for...
Do students need Summer Development? For 108 randomly selected college applicants, the following frequency distribution for entrance exam scores was obtained. Construct a histogram, frequency polygon, and ogive for the data. (The data for this exercise will be used for Exercise 13 in this section.) Class limits Frequency 90–98 6 99–107 22 108–116 43 117–125 28 126–134 9 Applicants who score above 107 need not enroll in a summer developmental program. In this group, how many students do not have...
Let S be the event that randomly selected college student has taken a statistics course
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A college has 600 students. A survey has determined that: 69 read French 37 read German...
A college has 600 students. A survey has determined that: 69 read French 37 read German 42 read Spanish 15 read French and German 17 read French and Spanish 8 read German and Spanish 5 read all three languages Put this information into a venn diagram and use it to answer the following questions. Give your answers correct to 3 decimal places. What is the probability a randomly selected student reads exactly 2 of these 3 languages? What is the...
In a study conducted in March 2020, 144 of 200 randomly selected students said that Liverpool...
In a study conducted in March 2020, 144 of 200 randomly selected students said that Liverpool football team were their favourite team. (a) Construct a 98% confidence interval to estimate the true proportion of students who said that Liverpool football team were their favourite team. (b) How large a sample would be necessary to estimate the true proportion of with a margin of error of 5%, with 95% confidence?
(1 point) In a survey of 263 college students, it is found that 62 like brussels sprouts, 100 like broccoli, 59 like cauliflower, 30 like both Brussels sprouts and broccoli, 22 like both Brussels sprouts and cauliflower, 20 like both broccoli and cauliflower, and 12 of the students like all three vegetables. a) How many of the 263 college students do not like any of these three vegetables? b) c) d) How many like broccoli only? How many like broccoli...
(Counting-does order matter here?) 1. Eight engineering students are lined up to give presentations at a hiring fair. One person demands to be either first or last. In how many ways can these students line up? (Enter an integer answer.) (Naming events - Venn diagrams - Operations with sets Probability) 2. Suppose that in a senior college class of 500 students it is found that 98 smoke, 229 drink alcoholic beverages, 212 eat between meals, 70 smoke and drink alcoholic...
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