Mathematics, 16.12.2021 02:20 Shazrts2371
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fifteen people answered that they generally sell three cars; eighteen generally sell four cars; fourteen generally sell five cars; eight generally sell six cars; ten generally sell seven cars. Complete the table. Data Value (# cars)
data value (# cars) frequency relative frequency cumulative relative frequency
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Mathematics, 21.06.2019 19:00
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Mathematics, 22.06.2019 00:00
Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read
Answers: 3
Mathematics, 22.06.2019 00:00
Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?
Answers: 1
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in o...
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