Mathematics, 19.03.2021 20:50 jdsfdujfi1598
To attract business, a clothing store mails discount coupons to local residents. To estimate the proportion of the
store's shoppers who are using the coupons, the store manager selects a random sample of 100 customers who
visit the store on a weekend. The manager finds that 38 of them are using the coupons mailed to their homes.
Which of the following describes the population in this setting?
all residents of the town
the 38 shoppers who used coupons
the 100 randomly selected shoppers
all shoppers in the store on the weekend
Answers: 3
Mathematics, 21.06.2019 18:50
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
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Mathematics, 21.06.2019 22:00
Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?
Answers: 1
Mathematics, 21.06.2019 22:00
Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota
Answers: 2
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