
Question 17 5 pts In a survey of 1000 students, it was found that 600 own...
(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...
Question 5 2 pts AXTAR Do 100 400 600 100 1000 1200 1400 many After this country starts to trade what is the quantity supplied? 200 800 O 600 400
o From a survey involving 1,000 university students, a market research company found that 770 students owned laptops, 480 owned cars and 300 owned cars and laptops. If a university student is selected at random, what is each empirical probabil? (A) The student owns thar a car or a laptop Bi The student owns neither a carora laptop A The empirical probability that the student owns either a car or a laptop is Type an integer or a decimal) )...
Suppose a survey was conducted of 195 people in college, and it was found that 83 people carried a cell phone, 85 people carried a tablet, and 10 carried both a cell phone and a tablet. Draw a Venn diagram on your tally sheet for the situation described and use that diagram to answer the following questions. a) How many people carried a cell phone or tablet. b) How many people did not carry a tablet? Answer c) How many...
Question 17 2 pts A teacher administers an attitude survey to the same students four times. Each time the results differ. Which of the following terms describes the problem with the survey? reliability O validity specificity O representativeness
2pts, 1 for work) A 2011 NBC News survey found that 80% of a sample of 4500 American teens said they owned an MP3 player such as an ipod. Assume the sample is an SRS. Based on the sample, the 90% confidence interval for the proportion of teens who own an MP3 player is: a. 0.80 ± 0.0060 b. 0.80 ± 0.0117 c. 0.80 ± 0.0098 d. 0.80 ± 0.0071 3. (2pts, 1 for work) If we computed an 80%...
D Question 4 1 pts It has been found that 72% of college students own a car. If 40 students are selected at random, what is the variance for the number of them who own their car? 3.347 O 11.2 2.840 28.8 8.064 5.367
In a survey of top executives, it was found that 17% had traveled internationally on business. The probability of one of these executives fluently speaking a foreign language was found to be 10%. The probability that one of these executives neither spoke a foreign language nor had traveled internationally was 0.81. What is the probability that an executive who does not speak a foreign language has traveled internationally? Total 0.17 I S 5 T 0.81 Total 0.10 T =Traveled internationally...
QUESTION 17 Suppose 1 in 5 JwU students own their own car. If four students are randomly selected, what is the probability that none own their car? (Hint: think multiplication rule, selecting 4 individual students. in 5 is the same as 20%, right?) O A. 19/20 O B. 624/625 O c. 256,625 O D. 16/20 QUESTION 18 Which of the following variables is NOT discrete? O A the number of Oscar nominations Meryl Streep has received O B. the number...
5. Suppose a consumer advocacy group would like to conduct a survey to find the proportion p of consumers who bought the newest generation of an MP3 player were happy with their purchase. The advocacy group took a random sample of 1000 consumers who recently purchased this MP3 player and found that 400 were happy with their purchase. (a) Find a 95% lower bound for p (b) How large a sample size n should they take to estimate p with...