Susan is conducting a survey about the electric bills of households in her city. From the electric company, she found that the population mean is $98.75 with a standard deviation of $10.45. Susan has a sample size of 60,
Complete the equation that Susan can use to find the interval in which she can be 68% sure that the sample mean will lie.
109.2
98.75
60
7.75
88.3
10.45
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