subject
SAT, 14.12.2021 04:40 viktoria1198zz

in two common species of flowers, a and b, the proportions of flowers that are blue are pa and pb , respectively. suppose that independent random samples of 50 species-a flowers and 100 species-b flowers are selected. let pˆa be the sample proportion of blue species-a flowers and pˆb be the sample proportion of blue species-b flowers. what is the mean of the sampling distribution of pˆa−pˆb ?

ansver
Answers: 2

Another question on SAT

question
SAT, 24.06.2019 05:00
Driving on the highway can lead you to the hypnosis of a road, a condition of drowsiness or ignorance, you can avoid this condition
Answers: 3
question
SAT, 25.06.2019 09:30
Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features
Answers: 1
question
SAT, 26.06.2019 21:00
Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions
Answers: 2
question
SAT, 27.06.2019 22:00
Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound
Answers: 1
You know the right answer?
in two common species of flowers, a and b, the proportions of flowers that are blue are pa and pb ,...
Questions
question
Spanish, 01.02.2021 21:20
question
Mathematics, 01.02.2021 21:20
question
Social Studies, 01.02.2021 21:20
question
Computers and Technology, 01.02.2021 21:20