Mathematics, 12.01.2021 07:50 friskisthebest1
The maker of a cell phone screen protector would like to estimate the proportion of customers who file a warranty claim. To do so, they select a random sample of 200 customers and determine that the 96% confidence interval for the true proportion of customers who file a warranty claim to be 0.15 to 0.28. Which of the following would decrease the margin of error?
A) selecting another sample
B) decreasing the sample size
C) increasing the confidence level
D) decreasing the confidence level
Answers: 2
Mathematics, 21.06.2019 13:00
Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º
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Mathematics, 21.06.2019 14:10
Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution
Answers: 1
The maker of a cell phone screen protector would like to estimate the proportion of customers who fi...
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