Mathematics, 20.07.2019 02:30 GabbyLandry
The manager of a music store wants to find out what percentage of headphones that were sold are defective. which sampling methods are likely to be biased? select each correct answer. question 6 options: a) the manager selects 20 customers at random each day for 2 days and contacts them. b) every 20th customer over the course of a week is selected and their answer recorded. c) on 1 day, an hour after the store opens, the first 10 customers are surveyed. d) the manager sends an email to 20 customers who purchased headphones from the store, asking each customer if the headphones were defective. the first 5 responses are recorded.
Answers: 1
Mathematics, 21.06.2019 18:00
What is the equation of this graphed line? enter your answer in slope-intercept form in the box.
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Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
Mathematics, 21.06.2019 20:00
Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?
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Mathematics, 21.06.2019 21:10
Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)
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The manager of a music store wants to find out what percentage of headphones that were sold are defe...
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