3) Dori created a 2 letter code to get into her waterproof iPad. She only used the letters ABC and D because she was afraid she
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Answer:
Estimate of the standard error of the mean = 0.38 lb
Step-by-step explanation:
We are given the following in the question:
Sample mean, = 10.87 lb
Sample size, n = 131
Standard deviation, σ = 4.31 lb
We have ti find the estimate of the standard error of the mean.
Formula for standard error:
Putting values, we get,
0.38 lb is the standard error of the mean.