Mathematics, 08.04.2020 20:00 BrainlyBoi
Charles wants to find out if the students in foreign language classes spend more time in class speaking in English or in the foreign language they are studying. Charles first gets class lists of all students taking foreign language classes. He then chooses 10 students from each different language class to survey. Which best explains why the sample he chose may not be a representative sample?
A) The sample size is not large enough to represent the population.
B) The sample was not chosen at random.
C) The way the sample was chosen may overrepresent or underrepresent students taking certain language classes.
D) The way the sample was chosen does not sample students from each different language class.
Answers: 3
Mathematics, 21.06.2019 17:10
The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.
Answers: 1
Mathematics, 21.06.2019 19:00
Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60
Answers: 1
Mathematics, 21.06.2019 22:10
Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft
Answers: 1
Mathematics, 21.06.2019 23:20
In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units
Answers: 2
Charles wants to find out if the students in foreign language classes spend more time in class speak...
Mathematics, 22.05.2020 21:08
Physics, 22.05.2020 21:08
Mathematics, 22.05.2020 21:08
Mathematics, 22.05.2020 21:08
Mathematics, 22.05.2020 21:08
Mathematics, 22.05.2020 21:08
Biology, 22.05.2020 21:08
Social Studies, 22.05.2020 21:08
Mathematics, 22.05.2020 21:08
Mathematics, 22.05.2020 21:08
Mathematics, 22.05.2020 21:08