Mathematics, 17.03.2021 23:40, pearljammarow6ujs
Lindsey and Justin want to collect data to find out the favorite afterschool activities of 7th grade students at Schofield Middle School. Which
group of people should Lindsay and Justin survey to achieve the most accurate results?
A: all of the students in band.
B: a random selection of two girls and two boys for each 7th grade class.
C: a random selection of two girls and two boys from the chess club.
Answers: 3
Mathematics, 21.06.2019 12:40, jchidwic
An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population
Answers: 2
Mathematics, 21.06.2019 20:00, alisonlebron15
An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years
Answers: 1
Mathematics, 21.06.2019 21:00, SiegeHatake4534
Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10
Answers: 2
Lindsey and Justin want to collect data to find out the favorite afterschool activities of 7th grade...
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