Four research teams each used a different method to collect data on how fast a new iron skillet rusts. Assume that they all agre

Question

3 years ago

9

Four research teams each used a different method to collect data on how fast a new iron skillet rusts. Assume that they all agre

e on the sample size and the sample mean (in days). Use the (confidence level; confidence interval) pairs below to select the team that has the smallest sample standard deviation.
A. Confidence Level: 99.7%; Confidence Interval: 40 to 40
B. Confidence Level: 95%; Confidence Interval: 40 to 50
C. Confidence Level: 68%; Confidence Interval: 43 to 47
D. Confidence Level: 95%; Confidence Interval: 42 to 48

Mathematics

2 answers:

svet-max [94.6K] · Answer 1 · 2022-01-21T20:37:53+03:00

svet-max [94.6K]3 years ago

6 0

Answer: for how fast paint dries problem the answer is 68% with A confidence interval of 44.5 to 45.5

Step-by-step explanation: apex

Sati [7] · Answer 2 · 2022-01-21T23:05:35+03:00

Sati [7]3 years ago

4 0

Answer:

D. Confidence Level: 95%; Confidence Interval: 42 to 48

Step-by-step explanation:

48-42=6

6/2=3

3 is smallest

I tested A and got it incorrect so D is the awnser