Mathematics
Mathematics, 22.08.2019 08:00, anonymous12443535

Asap!
the manager of a sawmill wants to find out what percentage of the boards that the mill produced are defective.
which sampling methods are likely to be biased?
choose all answers that are correct.
a.
the manager selects 20 boards at random each day for 5 days and examines them.
b.
the manager sends an email to 20 customers who buy lumber from the mill, asking each how many of the boards they bought the past week were defective. results from the first 5 customers to respond are tallied.
c.
on 1 day, an hour after the sawmill begins production, 30 boards in a row are selected and examined.
d.
every 40th board produced over the course of 1 week is selected and examined.

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:00, davidleew24
What can you determine about the solutions of this system
Answers: 1
image
Mathematics, 21.06.2019 19:10, iziyahh902
How many solutions does the nonlinear system of equations graphed below have?
Answers: 2
image
Mathematics, 21.06.2019 21:30, michaelgg7166
Can someone explain to me how to do
Answers: 1
image
Mathematics, 21.06.2019 21:30, Buttercream16
Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.
Answers: 3
Do you know the correct answer?
Asap!
the manager of a sawmill wants to find out what percentage of the boards that the mill...

Questions in other subjects:

Konu
Social Studies, 24.09.2019 18:50
Konu
English, 24.09.2019 18:50