Mathematics, 15.02.2021 17:00 jorozco3209
Joan wants to estimate the average number of people who purchase breakfast on flights between two cities. She decides to randomly select 10 flights from all available data in the past year and use all the purchasing records from these flights in order to estimate the average
What type of sampling is Joan using?
a. Systematic sampling
b. Convenience sampling
c. Cluster sampling
d. Stratified sampling
Answers: 3
Mathematics, 21.06.2019 19:00
Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9
Answers: 1
Mathematics, 21.06.2019 19:30
Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?
Answers: 1
Mathematics, 21.06.2019 20:30
Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters
Answers: 1
Joan wants to estimate the average number of people who purchase breakfast on flights between two ci...
Chemistry, 07.09.2020 21:01
Physics, 07.09.2020 21:01
English, 07.09.2020 21:01
Engineering, 07.09.2020 21:01
Mathematics, 07.09.2020 21:01
Mathematics, 07.09.2020 21:01
Mathematics, 07.09.2020 21:01
Mathematics, 07.09.2020 21:01
Mathematics, 07.09.2020 21:01
History, 07.09.2020 21:01