Keep in mind that not all problems or sub-problems use a sample.

Show all manual calculations and provide commentary to your answers.

At the end of the Summer Festival the organizers estimated that a family of participants spent in average $35.00 with a standard deviation of $8.00.

If 49 participants (49 = size of the sample) are selected randomly, what's the likelihood that their mean spent amount will be within $3 of the population mean? (mean +/- 3;in between $32 and $38)

Likelihood