Exercise 1
for each of the following, does the group described constitute a population or a sa...
Mathematics, 08.01.2020 23:31 kamgurunlian
Exercise 1
for each of the following, does the group described constitute a population or a sample? or could it be considered to be either a population or a sample? explain your answer.
a. the animals that live in yellowstone national park
b. the first-run movies released last week that were shown at the local theater complex last weekend
c. people who are asked how they voted in an exit poll
d. some cars on the lot of the local car dealer
e. the words of the gettysburg address
f. the colors of pencils available in a 36-count packet of colored pencils
g. the students from your school who attended your school’s soccer game yesterday
Answers: 1
Mathematics, 21.06.2019 17:20
Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem
Answers: 3
Mathematics, 21.06.2019 20:30
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 1
Mathematics, 21.06.2019 20:40
Askate shop rents roller skates as shown on the table below. which graph and function models this situation?
Answers: 1
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