According to a survey, 63% of the parents are willing to spend extra money for their children's health and education matters. Parameter: the percentage/proportion of parents willing to spend extra money in their children's health and education matter or p = 0.63 To identify the parameters to be tested: g 1. Just look for mean/average, standard deviation, variance, and proportion of population. 2. Determine the value that pertains to the given parameter, then translate them in symbols for hypothesis testing.

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Q: first class.

A: Step 1: Using the lower limit as 30 and a width of 10, make the classes.